Which of the following is not correct option for Phenylketonuria ?

:Match the columns :

Given below is a highly simplified representation of the human sex chromosomes from a karyotype.

The genes $a$ and $b$ could be of

A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. Thus boy

A son of a colourblind father and normal homozygous mother marries to a daughter of normal father and heterozygous mother than their children will be