Suppose a mother carries two recessive genes for freckles (rr) and a father carries one recessive gene for freckles and one dominant gene for clear facial skin (Rr). What is the likelihood that their first child will have freckles?

Question

A. 1/2
B. 1/4
C. 3/4
D. 4/4

Answer 1

B. 1/4

There is a 25% chance that their first child will have freckles (rr) since both parents carry the recessive gene for freckles.