A) skin colour
B) phenylketonuria
C) colourblindness
D) ABO blood group
Correct Answer: B
Solution :
[b] The best example for pleiotropy is phenylketonuria. In phenylketonuria, a single gene mutation that codes for enzyme phenylalanine hydroxylase is seen. This manifests itself through phenotypic expression characterised by mental retardation, reduction in hair and skin pigmentation.You need to login to perform this action.
You will be redirected in
3 sec