Question

Bob is color blind, but he knows that neither of his parents were color blind. He is wondering if he received the gene for color blindness from his mother, his father, or both of his parents. What is Bob's parent's genotypes (You should have 2 answers selected, one from his mother and one for his father)? *

Answer 1

Answer:

Mother: Rr   Father: Rr

Explanation:

     R      r

R   RR   Rr

r    Rr    rr

This represents that both parents are carriers, but the dominant gene takes over. It is a 25% chance their offspring will receive the recessive gene of colorblindness, which is an example of Bob