ĐỀ CƯƠNG TRẮC NGHIỆM ôn tập SINH học lớp 9 BẰNG TIẾNG ANH CHƯƠNG NHIỄM sắc THỂ

0 Question 2: The result of the constituent is from a mother cell with chromosome sets 2n has created several daughter cellsA. Two daughter cells, one with 2n chromosomes, are identical

ĐỀ CƯƠNG TRẮC NGHIỆM ÔN TẬP SINH HỌC LỚP 9 BẰNG TIẾNG ANH CHƯƠNG NST

STUDY ON STUDENTS IN GRADE GRADE 9 IN ENGLISH

Question 1: In fruit flies 2n = 8 how many double chromosomes in the first half of fall II?

A 4 B 16 C 8 D 0

Question 2: The result of the constituent is from a mother cell with chromosome sets 2n has created several daughter cells?

A Two daughter cells, one with 2n chromosomes, are identical to the mother cell and the other one has a chromosome 2n different from that of the mother

B 2 daughter cells have 2n chromosomes like the mother cell

C The four daughter cells have a chromosome set of 2n

D 2 daughter cells, each with daughter chromosome n

Question 3: A cell of fruit fly after a fold created?

A 2 daughter cells B 8 daughter cells C 4 daughter cells D 6 daughter cells

Question 4: During the course of sexual intercourse, the number of sperm forms is 40 What is the number of sperm cells?

A 20 cells B 10 cells C 5 cells D 40 cells

Question 5: In humans, fertilization between sperm carries sex chromosomes with eggs to form zygotes that develop into girls?

A fertilization between sperm 22A + X with egg 22A + X to form zygote 44A + XX

B fertilization between sperm 22A + Y with egg 22A + X to form zygote 44A + XY

C fertilization between sperm 22A + Y with 22A + Y eggs to form zygosity 44A + YY

D fertilization between sperm 22A + X with 22A + Y eggs to form zygosity 44A + XY

Question 6: At what stage of chromosome synthesis have the shape and structure characteristic easy to observe?

A last spawning B spawning C next spawning D spawning

Q7: What is wrong about the meaning of the dominant relationship - diving for the contrast?

A Know good traits, bad traits in the breeding process

B It is easy to monitor the inheritance of each pair of traits over generations

C Focus more genes on a genotype to create high economic value

D Check the purity of the variety by analytical hybrids to avoid separation of traits

Q8: At what point in the fall of Part II, does the double chromosome rank as a row in the equatorial plane of mitosis?

A first spawning B last spawning C middle spawning D next spawning

Question 9: In the process of generating gametes, from 4 sperm cells (stem cells) will produce:

A 8 sperm B 4 sperm C 12 spermine D 16 spermatozoa

Verse 10: What is the meaning of integral?

A Mucin is the mode of reproduction of cells

B Mucus is the mode of reproduction of the cell and the growth of the body

C Primacy maintains specific chromosome stabilization across generations of cells

D The principle of cell reproduction and growth of the body, while maintaining stable set of chromosomes characteristic through the generation of cells

Question 13: The number of chromosomes in the human vegetative cell is:

A 46 pieces B 23 pairs C 44 D 24 pairs

Question 14: How does the chromosomal duplication occur at any point in the cell cycle?

A between B Late and late C the first D Intermediate

Q15: In the fall of manure, how many chromatin in each chromosome separate at the centromere?

A Next II B Next I C Between I D Between II

Question 16: The number of chromosomes in diploid cells of species (2n) is:

A even number B odd number

C even number or odd number D can not be determined

Q17: What type of cell types does it contain?

A Early gonadotrophic (gonococcus) cells, nematodes B nourishing cells

C living cells, genital cells D genital cells

Question 18: How are daughter cells formed through chromosomes?

A There is a haploid chromosome, with each chromosome in dual state

B There are diploid chromosomes, each with a double chromosome

C There is a haploid chromosome, each chromosome is in a single state

D There are diploid chromosomes, each chromosome is in a single state

Question 19:: The same chromosome pair:

A Chromatite has different origins

B two identical chromosomes from the father or from the mother

C two identical chromosomes in morphology and size

D the same chromite, stick together in the center

Question 20: Which cell types have haploid chromosomes?

A nourishing cells B cell carcinoma C gamete D zink

Question 21: Sex chromosomes are different at what point?

A Chromosomes are usually found only in living cells, sex chromosomes are only found in genital (gametes)

B NSTs often exist in pairs of homologues, while non-homologous chromosomes in homologous pairs Chromosomes are often composed of several pairs, carrying genes that regulate normal traits Sex chromosomes consist only of one pair, carrying genes that regulate related and non-sex related traits

D chromosomes carry genes that regulate normal traits Sex chromosomes carry genes that regulate sex

Question 22: In which fraction of the double chromosomes in the homologous pair are crossed and crossed?

A first spawn I B Spawn II C between I D between II

Question 23: What is the number and form of chromosomes in the middle?

A 6 double-stranded B 12 double-stranded C 6 single chromosome D 12NST single

Question 24: In which period the chromosomes start to twist?

A last spawn B spawn C next spawn D spawn

Question 25: In the pair of homologous cells of the vegetative cell include:

A two chromosomes derived from father

B a chromosome originated from the father and a chromosome derived from the mother

C two chromosomes derived from mother

D one parenting chromosome and 1 other chromosome

Question 26: In which period is the double chromosomes separated at the center?

A first spawn B spawn C late spawn D late spawn

Q27: What role does cell division play in cell division?

A The location of self-replication of DNA

B Places of child formation

C The location of the duplication of the tent

D Where chromosomes cling to and separates the two poles of the cell

Question 28: In which period of time does the chromosome contract the maximum?

A first spawn B spawn C late spawn D late spawn

Question 29: In principle, the chromosomes divide in two poles (where is the resolution of the chromosome)?

A beginning B Late C after D between

Question 30: In fruit fly 2n = 8 Q What is the number of double chromosomes in the cell in the next period of decline?

A 4 B 8 C 16 D 2

Q31: During the compounding process, the content of DNA doubled in what period?

A first, middle, last B beginning, middle, later

C middle, later, late D first, second, last

Box 32: In vinegar 2n = 8, a cell of fruit fly is in the second half of the fall II, how many cells in the chromosome?

A 2 NST B 4 NST C 8 NST D 16 NST

Question 33: What is the number of chromosomes in rice in water 2n = 24?

A 12 B 96 C 24 D 48

Question 34: What fertilization does a male sex chromosome carry with eggs to form a male sperm developing into a male?

A fertilization between sperm 22A + X with egg 22A + X to form zygote 44A + XX

B fertilization between sperm 22A + X with 22A + Y eggs to form 44A + XY sperm

C fertilization between sperm 22A + Y with egg 22A + X to form zygote 44A + XY

D fertilization between sperm 22A + Y with 22A + Y eggs to form zygos 44A + YY

Question 35: In which period is the chromosome stretched, in the form of thin strands?

A beginning B Late C after D between

Question 36: What is the substance of genetic phenomena at the molecular level in organisms?

A NST B DNA or RNA C DNA D ARN

Question 37: According to Black Men, which of the following statements is true?

A Each trait in the body is determined by a pair of genetic factors

B The inheritance factor is denoted by the capital letter

C In the nursing homes, genetic factors exist in each unit

D In gametes, genetic factors exist in pairs

Question 39: During the integral, the most visible form of the chromosome at the period (in the TB cycle, the typical structure of the chromosomes is described in any of the following):

A Intermediate B First letter C Next letter D Middle word

Question 40: Which of the following statements about the activity of chromosomes in decreasing stool II

is true?

A The recurrent chromosomes show the number of double chromosomes in the polyploid set in the first period

B The pairs of chromosomes are arranged in two rows on the equatorial plane of the mitosis

C The division of cells in the next period

D Membrane formed in the following period

Question 41: Homo-Neptune contains only:

A a

B set of two identical chromosomes

C one chromosome of each pair of homologies

D two chromosomes

Question 42: What is the progression of chromosomes in the middle of the reduction of I:

A 2n chromosomes are arranged in one row in the equatorial plane of mitosis.

B 2n chromosomes are arranged in two rows in the equatorial plane of the mitosis

C 2n chromosomes are arranged in one row in the equatorial plane of the mitosis

D 2n chromosomes are arranged in two rows in the equatorial plane of the mitosis

Question 43: The result of declining manure:

A Native cell has chromosome 2n B gamete has chromosome n

C Sperm have chromosomes n D eggs with chromosomes n

Question 44: The evolution of the chromosomes in the second half of the decline II:

A The pairs of chromosomes are arranged in a row on the equatorial plane of the mitosis

B The pairs of chromosomes divide independently of each other on the two poles of the cell

C Each pair of double-stranded chromosomes split at the center of the nucleus into two single-stranded chromosomes of the cell

D The single chromosomes in the new nucleus are formed

Q45: At what stage of diminished segment I, pairs of double chromosomes in chromosomal pair divide independently of each other on two poles?

A first b Middle B last C last D next

Q46: Each chromite consists mainly of:

A protein B protein and gen

C DNA molecule D 1 molecule of DNA and histone protein

Question 47: Sex chromosomes are:

A special chromosome pairs carry genes

B Special chromosome pairs carry genes that regulate males, which carry genes that regulate sex-related and non-sex traits, and traits

C Chromosomes carry specific genes that regulate males

D special chromosome pair bearing genes regulating males, females

Question 48: Which of the following characteristics of chromosomes is consistent with the end of the reduction of I?

A The double-stranded neurons in the two new nuclei are made up of a pair of double-stranded chromosomes

B The single chromosomes in the new nucleus are made up of the number of homologous sets

C The N Chitchies turn the thread back into a piece of yarn

D The double-stranded twins return to a thin strand

Question 49: In animals that reproduce sexually during the development of gametes through fecal decay, how many oocytes per egg are involved in fertilization?

A 4 eggs B 3 eggs C 2 eggs D 1 egg

Question 50: The most important event in fertilization is:

A The chromosomal set of male and female gametes

B zygote formation

C Principle: A male gamete with a female gametocyte

D Multiplication of two haploid gametes

Question 51: Which of the following groups of males carry the sex chromosome XX, while females carry the sex chromosome XY?

A Fruit flies, cows, people B Birds, butterflies, frogs, frogs, lizards

C Beetles D Grasshoppers, aphids

Question 52: In the animal body, which of the following is called the gametes?

A Eggs, sperm B Oocytes, sperm C Eggs, endothelium D Oocytes, spermatozoa

Question 53: Doubt sets of 2n species in:

A zygotes, germ cells B germ cells, zygotes

C vegetative cells, stem cells D zygospores, nematodes, and mesenchymal cells

Question 54: Genetic traits are altered if the chromosome is altered:

A structure B shape C number of D structure and number

Question 55: In fruit fly 2n = 8, what is the number of double chromosomes in the middle of the reduction of I?

A 4 B 8 C 16 D 2

Question 56: In fruit fly 2n = 8 The number of double chromosomes in the middle of fall II is?

A 2 B 4 C 8 D 16

Question 57: Evolution of the chromosome in the middle of reduction II:

A n chromosomes are arranged in one row on the equatorial plane of the mitosis

B n double chromosomes are arranged in two rows on the equatorial plane of the mitosis

C n double chromosomes are arranged in a row on the equatorial plane of the mitosis

D n single chromosomes are arranged in two rows on the equatorial plane of the mitosis

Question 58: In animals that reproduce sexually by reducing the stools of the male gametocyte generation process, each sperm cell produces spermatozoa.

A 4 sperm B 3 sperm C 2 sperm D 1 sperm

Question 59: In each vegetative cell the number of sex chromosomes is equal to:

A four B each C two two D three

Question 60: In the hybrid trial of Menden, when hybridizing two different parents to a pair of pure contrast traits, what is the TN result?

A F2 homosexuality of father or mother

B F1 homosexuality of father or mother

C F2 has an average distribution of traits: 1 dives

D The characteristic shown in F1 is the recessive trait

Q61 In which of the following groups of males carry the sex chromosome XY, and females carry the sex chromosome XX?

A Birds, butterflies, frogs, frogs, lizards B Grasshoppers, aphids

C beetle D Deer, buffalo, rabbit, man, spiny

Question 62: During gametogenesis, four egg cells (stem cells) produce:

A 8 eggs and 8 second pole B 4 eggs and 4 second poles

C 4 eggs and 12 second pole D 4 eggs and 8 eggs

Question 63: Question 95: Chromosomes are structures in:

A in B cells in the nucleus of C external to D cell on the cell membrane

Question 64: What is the substance of genetic phenomena at the cellular level in organisms?

A NST B DNA C RNA D DNA or RNA

Box 65: In Cabbage there is a set of chromosomes 2n = 18 Q What is the total number of chromosomes

in the cell?

A 18 B 36 C 72 D 9

Question 66: Indicates the number of chromosomes (2n) of some mammals: 38 pigs, 40 house mice, 46 males, 48 lambs, 54 sheep, 60 donkeys, 62 horses, 64 horses Which of the following is true?

A Each species has a unique and stable set of chromosomes

B The number of species is usually even

C The closest species usually have an approximate number of chromosomes

D The number of chromosomes is a sign of evolution

Question 67: During the period of the cell at which period, chromosomes are long strands of complete twisted strands?

A beginning, middle B Late C after D Intermediate

Question 68: During the spawning period, there are 30 second cohorts observed What is the number of egg cells (stem cells)?

A 10 egg-producing cells B 15-egg-producing

C 20-egg-producing D 30-egg-producing cells

Q69: What is the number of sperm cells (germ cells), if the number of zygotes is 64?

A 8 cells B 16 cells C 32 cells D 64 cells

Q70: Cells of each species have the chromosomes characteristic of:

A quantity, structure B number, shape, structure

C number and shape D number

Q71: In humans, are there many types of eggs and sperm produced through reduced feces?

A 1 egg 22A + X and 1 sperm 22A + X

B 1 egg type 22A + X and 2 types of sperm 22A + X and 22A + Y

C 2 types of eggs 22A + X and 22A + Y and 2 types of sperm 22A + X and 22A + Y

D 2 eggs 22A + X and 22A + Y and 1 sperm and 22A + X

Question 72: In humans, when is gender determined?

A Before fertilization B Before fertilization, or after fertilization

C During fertilization D After fertilization

Question 73: : Chemical composition of chromosomes:

A.DNA molecule B protein molecules of protein molecules

C acid and base D Proteins and DNA molecules

Question 74: The mechanism of sex determination in organisms (most mating species) is:

A Fragmentation and association of sex chromosome pairs in reduction of fertilization and fertilization

B Separation and association of identical chromosomes in reduction of fertilization and fertilization

C Self-replication of homologous chromosomes in the reduction of fertilization and fertilization

D Sex hormones act on sex chromosomes in the reduction of fertilization and fertilization

Question 75: What is the process of maintaining stable sets of chromosomes that characterize reproductive species (matings) through generations?

A Attributive, reduced stool, fertilization B Reduction of fertilization, fertilization

C Infections, fertilization D.interspersed, reduction of stool

Question 76: Chromosomes carry the gene and self replicate because it contains:

A protein and DNA B protinin C contains D.DNA gene

Question 77: In which time the chromosomes are centered in a row on the equatorial plane of the mitosis.

A middle note B first letter C second letter D late letter

Question 78: What is wrong about the meaning of the integral?

A Phenomena help to communicate and maintain stable sets of chromosomes characteristic of species through generations of cells

B Mucus is the mode of reproduction of the cell and the growth of the body

C It is the mechanism of growth of tissues and organs in the cell

D Principle generating gametes with homozygous sets

Question 79: In a chicken 1 cell divisions 5 consecutive batches to create the number of daughter cells are:

A 8 B 32 C 4 D 16

Question 80: In the hybrid experiment of Menden, when hybridizing two different parents to one pair of pure pure contrast traits, the result was F2.

A Shamrocal identity

B Homosexuality of father or mother

C Dissolve the characteristic at an average of 3: 1 dives

D Divide the average trait by 1: 1 dives

Q81: What is wrong about the meaning of reducing stool?

A generates haploid gametes from diploid cells

B Through fertilization, restore the characteristic chromosome of the species

C Through fertilization produces rich combinatorial variants

D Ensure replacement, cell renewal in the body

Question 82: Which of the following phenomena occur during fertilization?

A There is a combination of male and female gametes

B Random matched gametes create identical chromosomes of origin

C There is a combination of the chromosomes of the male and female gametes

D The chromosomes in all the daughter cells are held firmly and resemble the chromosomes of the zygote

Question 83: What is the difference in the formation of the male gamete compared to the male gamete?

A Create 4 gametes of equal size

B The gametophyte carries the haploid chromosome n

C Create a large gametogen and 3 the second pole

D One duplicate chromosome and two divisions

Question 84: In what time is the chromosomal decline doubled?

A Start of decline of I I B Start of decline II

C Intermediate of reduction II D Intermediate content prior to decomposition I

Question 85: What is the fundamental meaning of the process?

A Reproduction of the chromosomes of the mother cell to two daughter cells

B Equal division of maternal cells into two daughter cells

C The homogenization of the maternal cell membrane into two daughter cells

D The uniform distribution of chelates in the two daughter cells

Question 86: Question 102: Characteristics of chromosomes in vegetative cells are:

A always exist separately B always shortened

C always have pairs of similarities D always stretch

Box 87: In the fruit fly A genes regulate gray body, gene a regulates black body, gen B regulates long wing, gen b regulates penguins Two pair of genes regulate body color and wing size on a regular and fully integrated chromosome Male fruit fly has a gametogenic genotype:

A Ab, aB B AB, Ab, aB, aa C AB, ab D aB, ab

Question 88: What is the process of maintaining stable sets of chromosomes of cloned reproductive (reproductive) species through the body's cell generation?

A Inferior B Reduction of stool

C Essence, reduced stool, fertilization D Infertility, fertilization

Question 89: In the hybrid trial of Menden, when hybridizing two parents to a pair of pure contrast traits, how did the results in F1?

A Shamrocal identity

B Homosexuality of father or mother

C Dissolve the characteristic at an average of 3: 1 dives

D Divide the average trait by 1: 1 dives

Verse 90: A zygote of the fruit fly in succession four times Determine the number of daughter cells that were created?

A 16 baby cells B 4 baby cells C 8 baby cells D 2 baby cells

Question 91: The result of the spawning process from a given ovule:

A 1 egg and 1 egg B 1 egg and 3 egg C 1 egg and 2 D egg 1 egg

Question 92: Chromosomes in humans have 2n = 46 A human cell is in the latter part of the reduction

of II?

A 92 single chromosomes B 23 single chromosomes

C 92 chromosomes D 46 single chromosomes

Question 93: Which of the following statements are true about the separation of genetic factors during spawning?

A The genetic elements in the genetic pair mix together and divide into a gamete

B Genetic factors in a pair of genetic factors split into a gamete

C Each genetic factor in the genetic pair does not remain the same as the purebred

D Each genetic factor in the genetic pair divides equally into each gamete

Question 94: What is the purpose of analytical hybridization?

A Determine the genotype of all traits

B Identify the phenotype of the dominant species

C Identify the genotype of the dominant species

D Identify the genotype, phenotype of the dominant species

Q 95: Which of the following statements about the activity of chromosomes in decreasing I is true?

A The chromosomes are self-replicating in the intermediate period

B Homologous double chromosomes follow along their length in the first period

C 2n chromosomes are arranged in one row on the equatorial plane of mitosis

D Each daughter has a set of 2n chromosomes

Question 96: Trends in chromosomes in the posterior phase of decomposition I:

A The pairs of chromosomes divide independently of each other in the two poles of the cell

B The pairs of chromosomes are arranged in two rows on the equatorial plane of the mitosis

C The pairs of chromosomes divide evenly across the two poles of the cell

D Each pair of double-stranded chromosomes split at the center into two single-celled chromosomes of the cell

Q 97: Constant process of four consecutive sequences?

A First, Intermediate, Intermediate, Final B First, middle, intermediate, final

C beginning, middle, later, ending D Intermediate, first, second, last

Question 6 (Level 2)

In the fruit fly A genes regulate gray body, gene a regulates black body, gen B regulates long wing, gen b regulates penguins Two pair of genes regulate body color and wing size on a regular and fully

integrated chromosome Male fruit fly has a gametogenic genotype:

A AB, Ab, aB, aa B Ab, aB C AB, ab D aB, ab

Question 7 (Level 2)

In the fruit fly A genes regulate gray body, gene a regulates black body, gen B regulates long wing, gen b regulates penguins Two pair of genes regulate body color and wing size on a regular and fully integrated chromosome Male fruit fly has a gametogenic genotype:

ab AB

AB AB

A AA B BB C AA and BB D AB

Question 8: (Level 2)

In the fruit fly A genes regulate gray body, gene a regulates black body, gen B regulates long wing, gen b regulates penguins Two pair of genes regulate body color and wing size on a regular and fully

integrated chromosome The female fruit fly has a gametogenic genotype:

A AB, Ab, aB, ab B Ab, aB C AB, ab D ab

Question 10: (Level 1) What are the characteristics of fruit fly which are beneficial for genetic research?

A Easy to grow in vitro, farrowed, short life cycle, easy to observe, few chromosomes

B Easy to grow in a natural, single-gene environment

C Long time growth and development, easy to create variation so easy to follow

D There are many opposite traits, single gene, easy to observe

Question 9 (Level 1) Why on each chromosome must contain multiple genes?

A The number of genes is usually much larger than the number of chromosomes

B The number of chromosomes in the multiple sets is much larger than the number of genes

C The number of linked genes in each species is often greater than the number of chromosomes

D The number of linked genes of each species is more than the number of chromosomes in the triploid set

Question 99: What is the most basic differential reduction?

A) Mitigation is the reproductive form of vegetative cells; Fecal decay is a reproductive form of genital cells that occurs during the ripening of this cell

B) In decubitus, cells divide twice in succession but the chromosomes multiply themselves once; At each division, the cell divides into one double-fold chromosome

C) Reduction of conjugated fecal excretion and cross-coupling between the two chromotites in the

homologous double chromosome pair; It is not

D) In the later half of the decomposition, the pairs of homologous double chromosomes divide

independently of the two poles of the cell; In the latter part of the differential is the separation of the single chromosomes of the two poles of the cell

Q100: Which of the following statements is true for the first-order?

A) First-order quintessence decreases by 1 for 2 quadratic

B) First-order microscope contains chromosome n

C) First-order semen is directly involved in fertilization

D) 2 quadrats by reducing stool for 4 sperm

A: Yes

Question 111: Which of the following statements is true for first-order oocytes?

A) First-order oocytes pass 2-fold reduction for both polar and oocytes

B) Each oocytes pass through the reduction of stools for 1 oocytes and 3 for the second

C) The first chromosome of the oocytes is n

D) Primary oocytes produce four oocytes

Question 113: The idea that the mother decides to give birth to a son or daughter is right or wrong, why?

A False Because the birth of a son or daughter is caused by a random combination of gametes

B Wrong Because mothers produce only one egg, they create two types of sperm If his father's sperm combines with his newborn eggs to develop into a male, then if his father's sperm combines with the egg to form a zygote develop into a daughter

ab ab

C Wrong Because she created two types of eggs X and Y, he created a sperm If father's sperm combine with egg X to create a male, if father's sperm combine with new egg to create daughter

D Wrong The birth of a son or daughter is decided by both parents

Question 114: Why can one adjust the male ratio: what is in the animal, what does it mean in practice?

A By understanding the mechanism of sex determination and the factors that influence sex differentiation, which are relevant to the purpose of production

B Know the number of gametes of each species have the meaning of breeding high yield

C By understanding the genetic characteristics of each species, there is the meaning of breeding not pure

D Because of the probability of fertilization of male and female gametes, there is a sense of pure breeding

Question 115: In chickens, there are 2n = 78 A hen lay 18 eggs, of which 15 eggs were fertilized, but only hatching 13 chicks So how many eggs are fertilized but not hatched?

A 39 NST B 78 NST C 156 NST D 117 NST

Question 116: In chickens, there are 2n = 78 A hen lay 18 eggs, including 15 fertilized eggs So how many unborn eggs have a set of chromosomes?

A 39 NST B 78 NST C 156 NST D 117 NST

117: One mouse gave birth to six mice Know the zygote survival rate is 75% How many zits are made?

A 4 zygospores B 6 zygotes C 8 zygotes D 10 zygotes

Question 118: When the F1 male flies, the long wing (

BV

bv ) crosses with the black fly, the penguin ( bv

bv ) is obtained in the offspring with a phenotypic ratio of:

A Gray body, long wing

B Whole body black, penguin

C 3 gray bodies, long wings: 1 black body,

D penguins 1 gray body, long wings: 1 black body, penguins

Question 119: What is inheritance?

A The phenomenon of a group of traits is inherited together, defined by genes on a single chromosome that divide during cell division

B It is the heredity of several trait groups defined by 1 gene per chromosome

C The phenomenon of traits is inherited together to produce multiple combinatorial variants

D It is a phenomenon of multiple traits that are genetically mutated, regulated by multiple genes on multiple chromosomes,

Question 120: The meaning of affiliate genetics is:

A Link genetics are used to select good trait groups that are always inherited together

B Link inheritance is used in the construction of marriage law

C The linkage is used to determine the genotype of the crossbred organisms

D Link inheritance is used to create multiple combinatorial variants

Verse 121: For pure bean seeds, there are no fringed and spiky grains with cross-pollinated leaves; all seeds are smooth and fringed For F-1 ¬ continue to cross-pollinate F2 has a ratio: 1 grain, no fringe, two smooth seeds with rewinding: 1 grain, fringed What is the result of the hybridization?

A Each pair of traits is separated by 3: 1

B Each pair of genetic traits is independent of each other

C Two pairs of inherited genetic traits

D Recombination of traits of P