Albinism in mice is caused by a recessive allele a and norma

Albinism in mice is caused by a recessive allele (a), and normal pigmentation is the result of a dominant allele (A). Two normal parents have an albino mice. What is the probability that their next mice will be albino?

Solution

Answer: 1/16

Normal (Aa) x Normal (Aa)

AA, Aa, Aa, aa

Probability of albino mice = ¼

Two albino mice in a row ¼ x ¼ = 1/16