Question
1. Color-blindness (b) is a sex-linked, recessive trait located on the X chromosome. Fill out the table with
the genotype of each individual:
Genotype
Phenotype
Genotype
Phenotype
A color-blind male
A color-blind female
A carrier female
A normal male
Answer
A color-blind male: XcY
A color-blind female: XcXc
A carrier female: XCX
A normal male: XY