31. What are the chances that a puppy will have a spotted coat, if his mother is solid and his father is heterozygous for a spotted coat?

Assuming that a spotted coat is a dominant trait, the chances are 50%

Explanation:

If you make a punnet square using a homozygous recessive father and a heterozygous dominant mother, the results will come out to be half heterozygous dominant and half homozygous recessive