1 / 11

Punnett Square

Punnett Square. Practice Problems. Create a punnett square to determine percent probabilities of genotypes and phenotypes of the offspring of a pea plant with yellow pods crossed with a plant that is heterozygous for pod color. (Green pod color is dominant.). g g. Genotype ratios

rosettaespinoza
Download Presentation

Punnett Square

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Punnett Square Practice Problems

  2. Create a punnett square to determine percent probabilities of genotypes and phenotypes of the offspring of a pea plant with yellow pods crossed with a plant that is heterozygous for pod color. (Green pod color is dominant.)

  3. g g Genotype ratios Gg 50% gg 50% G g Gg Gg gg gg Phenotype ratios Green pods 50% Yellow pods 50%

  4. Create a punnett square to determine percent probabilities of genotypes and phenotypes of the offspring of two pea plants that are both heterozygous for seed shape. (Round shape is dominant over wrinkled.)

  5. R r Genotype ratios RR 25% Rr 50% rr 25% R r Rr RR rr Rr Phenotype ratios Round seeds 75% Wrinkled seeds 25%

  6. Create a punnett square to determine percent probabilities of genotypes and phenotypes of the offspring of two pea plants that both are homozygous for yellow seed color. (Yellow color is dominant over green.)

  7. Y Y Genotype ratios YY 100% Y Y YY YY YY YY Phenotype ratios Yellow seeds 100%

  8. Create a punnett square to determine percent probabilities of genotypes and phenotypes of the offspring of a pea plant that is homozygous for yellow seed color with a plant with green seeds. (Yellow color is dominant over green.)

  9. Y Y Genotype ratios Yy 100% y y Yy Yy Yy Yy Phenotype ratios Yellow seeds 100%

  10. Create a punnett square to determine percent probabilities of genotypes and phenotypes of the offspring of a pea plant that is homozygous for green pod color with a plant that is heterozygous for pod color. (Green pod color is dominant over yellow.)

  11. G G Genotype ratios GG 50% Gg 50% G g GG GG Gg Gg Phenotype ratios Green pods 100%

More Related