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Genetic Disorders*

Complex Inheritance and Human Heredity

QuestionAnswer
Simple Recessive Disorders requires two recessive genes to be expressed phenotypically
Alkaptonuria results in black urine due to enzyme deficiency
Cystic Fibrosis Caucasians; defective membrane protein; produces excessive mucus that clogs lungs; effects digestive tract
Albinism lack melanin for coloration; need protection from sun
Galactosemia lack enzyme to break down galactose; avoid milk
Tay – Sachs disease Jews – fatal – buildup of fatty acids in brain; effects CNS
PKU lack enzyme to breakdown phenylalanine – effects CNS
Created by: lrdavis02
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