Question

In mice, the gene for tail length has two alleles. A long tail is dominant to a short tail. If a long-tailed mouse that is heterozygous mates with a short-tailed mouse, what are the chances of having offspring with short tails?(1 point)
Responses

75%
75%

50%
50%

25%
25%

100%

Answer 1

50%

Cross: Ll (heterozygous long) × ll (short) → offspring genotypes: 50% Ll (long), 50% ll (short).