Study the pedigree chart given below. What do | vedclass

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(a) : This chart shows inheritance ofan autosomal recessive trait like phenylketonuria. An autosomal recessive trait may skip a generation. It appears

Vedclass · Accepted Answer

Inheritance of a condition like phenylketonuria as an autosomal recessive trait.

Vedclass · Answer

(a) : This chart shows inheritance ofan autosomal recessive trait like phenylketonuria. An autosomal recessive trait may skip a generation. It appears in case of marriage between two heterozygous individuals $(Aa &times; Aa = 3\ Aa + 1\ aa)$, a recessive individual with hybrid $(Aa &times; aa = 2\ Aa + 2\ aa)$ and two recessive $(aa&times; aa = all\ aa)$. Phenylketonuria is an inborn, autosomal, recessive metabolic disorder in which homozygous recessive individual lacks the enzyme phenylalanine hydroxylase. The heterozygous individuals are normal but carriers.

Study the pedigree chart given below. What does it show?

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