Punnett Squares

Multiple Choice

What do the letters on the top and the side of the box represent?

• Genotypes of offspring

• Genotypes of parents

• Genotypes of grandparents

• All of the above

Multiple Choice

What do the letters inside each box represent?

• Possible Genotypes of offspring

• Possible Genotypes of parents

• Possible Phenotypes of offpring

• All of the above

Open Ended

What are the possible genotypes of the spring from the cross on the previous slide?

Open Ended

What are the phenotypes that could be obtained from the cross on the previous slide?

Open Ended

In plants, a green leaf (G) is dominant to a yellow leaf (g).  If one parent is heterozygous and the other parent is homozygous dominant, what are the parents genotypes?

Open Ended

In plants, a green leaf (G) is dominant to a yellow leaf (g).  If one parent is heterozygous and the other parent is homozygous dominant, what are the phenotypes and percents of the offspring?

Multiple Choice

In plants, a green leaf (G) is dominant to a yellow leaf (g).  If one parent is heterozygous and the other parent is homozygous dominant, what are the genotypes and percents of the offspring?

• 50% Gg

  50% gg

• 50% GG

  50% Gg

• 75% GG

  25% Gg

• 75% Gg

  25% GG

Open Ended

In plants, a green leaf (G) is dominant to a yellow leaf (g).  If both parents are heterozygous, what will the phenotypes and percents of the offspring?

Multiple Choice

In plants, a green leaf (G) is dominant to a yellow leaf (g).  If both parents are heterozygous, what will the genotypes and percents of the offspring?

• 25% GG

  50% Gg

  25% gg

• 75% GG

  25% gg

• 75% Gg

  25% gg

• 25% Gg

  50% GG

  25% gg