Who is known as the father of human genetics?

Phenylketonuria is a genetic disorder due to a defect in the metabolism of which of the following?

Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino (in $\%$)?

$A$ woman with normal vision marries a man with normal vision and they have a color-blind son. What is the genotype of the mother?

Color blindness is more common in males because it is a:

$A$ colour blind man marries a female with homozygous normal vision. What will be the possibility of colour blindness in their male children?