Directions: For EACH problem, use a Punnett square to show your work, and provide the following information: x a) Show the parent's genotypes as a cross In the form of b) Provide a Punnett Square to predict the outcome of the cross c) List the possible genotypes produced from the cross AND the percentage of each d) List the possible phenotypes produced from the cross AND the percentage of each. (You may select any letter you wish to represent the alleles). 1. In pea plants, purple flowers are dominant over white flowers, which are recessive. Cross two homozygous dominant (PP) parents. 2. In pea plants, short plants are recessive to tall plants. Cross two homozygous recessive individuals (tt) 3. In pea plants, yellow seeds are dominant and green seeds are recessive. Cross two heterozygous individuals (Yy) 4. In pea plants, inflated are dominant over flat pea pods, which are recessive. Cross a heterozygous parent with a homozygous recessive parent. 5. In pea plants.round peas are dominant and wrinkled peas are recessive. Cross a heterozygous parent with a homozygous round pea plant.

Question

Directions: For EACH problem, use a Punnett square to show your work, and provide the following information: x a) Show the parent's genotypes as a cross In the form of b) Provide a Punnett Square to predict the outcome of the cross c) List the possible genotypes produced from the cross AND the percentage of each d) List the possible phenotypes produced from the cross AND the percentage of each. (You may select any letter you wish to represent the alleles). 1. In pea plants, purple flowers are dominant over white flowers, which are recessive. Cross two homozygous dominant (PP) parents. 2. In pea plants, short plants are recessive to tall plants. Cross two homozygous recessive individuals (tt) 3. In pea plants, yellow seeds are dominant and green seeds are recessive. Cross two heterozygous individuals (Yy) 4. In pea plants, inflated are dominant over flat pea pods, which are recessive. Cross a heterozygous parent with a homozygous recessive parent. 5. In pea plants.round peas are dominant and wrinkled peas are recessive. Cross a heterozygous parent with a homozygous round pea plant.

Answer 1

### 1. Cross two homozygous dominant (PP) parents:-

- Possible Genotypes:

- Possible Phenotypes:

### 2. Cross two homozygous recessive (tt) parents:-

- Possible Genotypes:

- Possible Phenotypes:

### 3. Cross two heterozygous (Yy) parents:-

- Possible Genotypes:

- Possible Phenotypes:

### 4. Cross a heterozygous (Ii) parent with a homozygous recessive (ii) parent:-

- Possible Genotypes:

- Possible Phenotypes:

### 5. Cross a heterozygous (Rr) parent with a homozygous round (RR) parent:-

- Possible Genotypes:

- Possible Phenotypes:

Answer 2

## Step1: parental genotypes### For each cross, determine and write down the parental genotypes using chosen letters to represent the alleles.## Step2: Punnett square### Set up a Punnett square for each cross showing the combinations of alleles from the parents.## Step3: Possible genotypes### List the genotypes produced from the cross using the Punnett square, and calculate their percentages.## Step4: Possible phenotypes### Determine the phenotypes each genotype corresponds to, and calculate their percentages.

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