Albino condition is found in which human race?

Describe the sex-linked recessive gene disorder of color blindness through pedigree analysis.

An albino lady marries a normal man having one gene for albinism. They have $3$ daughters and $1$ son. The son will be

Which genotype is responsible for the carrier state of sickle-cell anemia?

In Cooley's Anemia,the affected chain of a haemoglobin is

Assertion: Phenylketonuria is a recessive hereditary disease caused by the body's failure to oxidize the amino acid phenylalanine to tyrosine due to a defective enzyme.
Reason: It results in the presence of phenylalanine acid in urine.