question_answer

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

A) This pedigree chart is wrong as this is not possible.

B) Inheritance of a recessive sex-linked disease like haemophilia.

C) Inheritance of a sex-linked inborn error of metabolism like phenylketonuria.

D) Inheritance of a condition like phenylketonouria as an autosomal recessive trait.