For practice construct a Genetic map with three genes in Arabidopsis plants. A short plant (hy) is recessive to tall plant (HY), a red flower (r) is recessive to white flower (R); and long pollen (po) is recessive to oval shaped pollen (PO). You can come up with arbitrary number of progenies for each class of offspring (follow the numbers like in Fig. 7.14)

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For practice construct a Genetic map with three genes in Arabidopsis plants. A short plant (hy) is recessive to tall plant (HY), a red flower (r) is recessive to white flower (R); and long pollen (po) is recessive to oval shaped pollen (PO). You can come up with arbitrary number of progenies for each class of offspring (follow the numbers like in Fig. 7.14)

( please help, I dont understand what/how to do this)

### Genetic Cross and Progeny Analysis: Wild Type Fly vs. Scarlet, Ebony, Spineless Fly

#### Testcross Overview

In this genetic cross, a Wild Type fly (left) with genotype \(\text{st}^+ \text{ss}^+ \text{e}^+\) is crossed with a fly displaying three mutant phenotypes: Scarlet (\(\text{st}\)), Ebony (\(\text{e}\)), Spineless (\(\text{ss}\)) (right). The genotype of this mutant fly is \(\text{st} \text{ss} \text{e}\).

#### Progeny Results

The progeny resulting from this testcross are analyzed for their genotypes and corresponding phenotypes. The numbers of flies for each genotype and phenotype are recorded.

#### Table of Progeny Genotypes and Phenotypes

| **Progeny Genotype**      | **Progeny Phenotype**          | **Progeny Number** |
|---------------------------|--------------------------------|--------------------|
| \(\text{st}^+ \text{ss}^+ \text{e}^+\) / \(\text{st} \text{ss} \text{e}\)     | Wild type                          | 283                |
| \(\text{st} \text{ss} \text{e}\) / \(\text{st} \text{ss} \text{e}\)          | Scarlet, ebony, spineless          | 278                |
| \(\text{st}^+ \text{ss} \text{e}\) / \(\text{st} \text{ss} \text{e}\)        | Spineless, ebony                   | 50                 |
| \(\text{st} \text{ss}^+ \text{e}^+\) / \(\text{st} \text{ss} \text{e}\)      | Scarlet                            | 52                 |
| \(\text{st}^+ \text{ss}^+ \text{e}\) / \(\text{st} \text{ss} \text{e}\)      | Ebony                              | 43                 |
| \(\text{st} \text{ss} \text{e}^+\) / \(\text{st} \text{ss} \text{e}\)
Transcribed Image Text:### Genetic Cross and Progeny Analysis: Wild Type Fly vs. Scarlet, Ebony, Spineless Fly #### Testcross Overview In this genetic cross, a Wild Type fly (left) with genotype \(\text{st}^+ \text{ss}^+ \text{e}^+\) is crossed with a fly displaying three mutant phenotypes: Scarlet (\(\text{st}\)), Ebony (\(\text{e}\)), Spineless (\(\text{ss}\)) (right). The genotype of this mutant fly is \(\text{st} \text{ss} \text{e}\). #### Progeny Results The progeny resulting from this testcross are analyzed for their genotypes and corresponding phenotypes. The numbers of flies for each genotype and phenotype are recorded. #### Table of Progeny Genotypes and Phenotypes | **Progeny Genotype** | **Progeny Phenotype** | **Progeny Number** | |---------------------------|--------------------------------|--------------------| | \(\text{st}^+ \text{ss}^+ \text{e}^+\) / \(\text{st} \text{ss} \text{e}\) | Wild type | 283 | | \(\text{st} \text{ss} \text{e}\) / \(\text{st} \text{ss} \text{e}\) | Scarlet, ebony, spineless | 278 | | \(\text{st}^+ \text{ss} \text{e}\) / \(\text{st} \text{ss} \text{e}\) | Spineless, ebony | 50 | | \(\text{st} \text{ss}^+ \text{e}^+\) / \(\text{st} \text{ss} \text{e}\) | Scarlet | 52 | | \(\text{st}^+ \text{ss}^+ \text{e}\) / \(\text{st} \text{ss} \text{e}\) | Ebony | 43 | | \(\text{st} \text{ss} \text{e}^+\) / \(\text{st} \text{ss} \text{e}\)
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