3. Predict the phenotypic and genotypic ratios for crossing the following pea plants: A a. short x short b. short x true-breeding tall c. true-breeding tall x true-breeding tall Wh

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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### Genetic Cross of Pea Plants

**Problem 3: Predict the phenotypic and genotypic ratios for crossing the following pea plants:**

a. short × short

b. short × true-breeding tall

c. true-breeding tall × true-breeding tall

---

This exercise requires analyzing pea plant height based on Mendelian genetics. Each scenario, or "cross," involves determining both the phenotypic (observable traits) and genotypic (genetic makeup) outcomes of the offspring.

- **Short × Short:** Both parents display the recessive short trait.
- **Short × True-Breeding Tall:** One parent is recessive short, the other is homozygous dominant tall.
- **True-Breeding Tall × True-Breeding Tall:** Both parents are homozygous dominant for the tall trait. 

Students should use Punnett squares to visualize the genetic crosses and calculate expected ratios for each scenario.
Transcribed Image Text:### Genetic Cross of Pea Plants **Problem 3: Predict the phenotypic and genotypic ratios for crossing the following pea plants:** a. short × short b. short × true-breeding tall c. true-breeding tall × true-breeding tall --- This exercise requires analyzing pea plant height based on Mendelian genetics. Each scenario, or "cross," involves determining both the phenotypic (observable traits) and genotypic (genetic makeup) outcomes of the offspring. - **Short × Short:** Both parents display the recessive short trait. - **Short × True-Breeding Tall:** One parent is recessive short, the other is homozygous dominant tall. - **True-Breeding Tall × True-Breeding Tall:** Both parents are homozygous dominant for the tall trait. Students should use Punnett squares to visualize the genetic crosses and calculate expected ratios for each scenario.
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