Name:
Monohybrid Punnett Square Practice
Directions: Complete the following matches and answer the question.
1. The trait is fur color. Black fur (F) is dominant over gray fur (f). The mother is homozygous
recessive. The father is homozygous dominant. What are the possible genotypes of the offspring?
Mother genotype:
Father genotype:
2. The trait is flower color. Purple flowers (P) are dominant over white flowers (p). The mother is
homozygous recessive. The father is heterozygous. What are the possible genotypes of the
offspring?
Mother genotype:
Father genotype:
3. The trait is seed color. Yellow seed color (Y) is dominant to green seed color (y). The mother is
homozygous recessive. The father is homozygous recessive. What are the possible genotypes of the
offspring?
Mother genotype:
Father genotype:
4. The trait is seed shape. In pea plants, spherical seeds (S) are dominant to dented seeds (s). The
mother is homozygous recessive. The father is homozygous dominant. What is the possibility that
the offspring will have the recessive trait?
Mother genotype:
Father genotype:
5. The trait is plant height. Tall plant height (H) is dominant to short plant height (h). The mother is
homozygous recessive. The father is heterozygous. What is the possibility that the offspring will
have the recessive trait?
Mother genotype:
Father genotype:
6. The trait is horns in cattle. Hornless cattle (C) is dominant over horned cattle (c). The mother is
homozygous recessive. The father is homozygous recessive. What is the possibility that the
offspring will have the dominant trait?
Mother genotype:
Father genotype: