Question

Problem #1

Answer 1

Answer:

9/16  Kinked tail, normal growth

3/16 Kinked tail, obese growth

3/16 normal tail, normal growth

1/16 normal tail, obese growth

Explanation:

Kinked tail (K) is dominant over normal tail (k) and normal growth (N) is dominant over obese growth (n). Two mice that are heterozygous for both traits (KkNn) are crossed:

        KkNn    x    KkNn

offspring:

9/16 K_N_ - Kinked tail, normal growth

3/16 K_nn - Kinked tail, obese growth

3/16 kkN_ - normal tail, normal growth

1/16 kknn - normal tail, obese growth

(See the attached image for the Punnet's square analysis)