Question

Carefully follow each step to create a Punnett square analysis. You can use these SAME general procedures to analyze EVERY Punnett Square you do! The Problem: In pea plants, height is coded for by the "T" gene. The dominant allele (T) codes for the tall phenotype while the recessive allele (t) codes for the short phenotype. Make a cross between a true breeding (homozygous) tall pea plant and a true breeding (homozygous) short pea plant. Steps to solve the problem: 1. What are the phenotypes of the parent plants? The parents are considered the P generation. 2. Determine the genotypes of each parent plant. 3. Imagine each parent goes through MEIOSIS to produce gametes. List the genotype(s) of the possible gametes that each parent would produce. 4. Create a Punnett square that displays the genotypes of the possible offspring. Also LABEL the PHENOTYPES of the possible offspring. These offspring are considered the F1 (first filial) generation. 5. Now allow the F1 generation to self-pollinate. What are the possible gametes that each F1 parent can produce? 6. Create a Punnett square that displays the genotypes of the possible offspring. Also LABEL the PHENOTYPES of the possible offspring. These offspring are considered the F2 (second filial) generation. 7. Show your work for this problem and then answer the questions below. Questions 1. What is the phenotypic ratio of the F1 generation? 2. What is the genotypic ratio of the F1 generation? 3. What is the phenotypic ratio of the F2 generation? 4. What is the genotypic ratio of the F2 generation?

Carefully follow each step to create a Punnett square analysis. You can use these SAME general procedures to analyze EVERY Punnett Square you do!

The Problem: In pea plants, height is coded for by the "T" gene. The dominant allele (T) codes for the tall phenotype while the recessive allele (t) codes for the short phenotype. Make a cross between a true breeding (homozygous) tall pea plant and a true breeding (homozygous) short pea plant.

Steps to solve the problem:

1. What are the phenotypes of the parent plants? The parents are considered the P generation.
2. Determine the genotypes of each parent plant.
3. Imagine each parent goes through MEIOSIS to produce gametes. List the genotype(s) of the possible gametes that each parent would produce.
4. Create a Punnett square that displays the genotypes of the possible offspring. Also LABEL the PHENOTYPES of the possible offspring. These offspring are considered the F1 (first filial) generation.
5. Now allow the F1 generation to self-pollinate. What are the possible gametes that each F1 parent can produce?
6. Create a Punnett square that displays the genotypes of the possible offspring. Also LABEL the PHENOTYPES of the possible offspring. These offspring are considered the F2 (second filial) generation.
7. Show your work for this problem and then answer the questions below.

Questions

1. What is the phenotypic ratio of the F1 generation?
2. What is the genotypic ratio of the F1 generation?
3. What is the phenotypic ratio of the F2 generation?
4. What is the genotypic ratio of the F2 generation?

Carefully follow each step to create a Punnett square analysis. You can use these SAME general procedures to analyze EVERY Punnett Square you do!

The Problem: In pea plants, height is coded for by the "T" gene. The dominant allele (T) codes for the tall phenotype while the recessive allele (t) codes for the short phenotype. Make a cross between a true breeding (homozygous) tall pea plant and a true breeding (homozygous) short pea plant.

Steps to solve the problem:

1. What are the phenotypes of the parent plants? The parents are considered the P generation.
2. Determine the genotypes of each parent plant.
3. Imagine each parent goes through MEIOSIS to produce gametes. List the genotype(s) of the possible gametes that each parent would produce.
4. Create a Punnett square that displays the genotypes of the possible offspring. Also LABEL the PHENOTYPES of the possible offspring. These offspring are considered the F1 (first filial) generation.
5. Now allow the F1 generation to self-pollinate. What are the possible gametes that each F1 parent can produce?
6. Create a Punnett square that displays the genotypes of the possible offspring. Also LABEL the PHENOTYPES of the possible offspring. These offspring are considered the F2 (second filial) generation.
7. Show your work for this problem and then answer the questions below.

Questions

1. What is the phenotypic ratio of the F1 generation?
2. What is the genotypic ratio of the F1 generation?
3. What is the phenotypic ratio of the F2 generation?
4. What is the genotypic ratio of the F2 generation?

Added by Thomas A.

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