Red-Green Color Blindness Shows X-Linked Recessive Inheritance

question 73

Multiple Choice

Red-green color blindness shows X-linked recessive inheritance.Assume "X" is normal,"X1" is recessive for the trait,and "Y" is normal.Then,an individual with the genotype "XX1" will be a:

• A) normal female and a carrier.
• B) color-blind male.
• C) normal female and not a carrier.
• D) normal male.