Chapter 5 Heredity and Diseases... Types of Hereditary DiseasesDominant Polydactyly: Extra fingers or toes Achondroplasia: Defective formation of cartilage causing dwarfism.. Fa
Trang 1Chapter 5 Heredity and Diseases
Trang 2Types of Hereditary Diseases
(Dominant)
Polydactyly: Extra fingers or toes
Achondroplasia: Defective formation of
cartilage causing dwarfism.
Marfan Syndrome: System cannot support
functions – multisystemic – no cure.
Familial Hypercholesterolemia: High
cholesterol, causes cardiovascular diseases.
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Types of Hereditary Diseases
(Recessive)
Phenylketonuria: Mental Retardation
Galactosemia: Mental Retardation from build up of
galactose causing development problems in brain,
liver and eyes.
Sickle-cell Anemia: Deformed shape of red blood
cells blocking flow of normal blood cells.
Tay-Sachs: Progressive mental retardation and
physical regression.
Albinism : Lack of melanin (color) in skin and hair.
Trang 4Types of Hereditary Diseases
(Sex-linked)
Color Blindness : Cannot distinguish reds and
greens.
Hemophilia: Blood-clotting disorder.
Fragile X-Syndrome: Mental retardation due to
breakage of the X chromosome.
Familial Diseases
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Types of Hereditary Diseases
(Abnormal Chromosome)
Trang 6Congenital Diseases
not from chromosome abnormality or
genetics.