Use the permanent marker to label the two 100 ml | Quick Homework Help
- Use the permanent marker to label the two 100 mL beakers as “1” and “2”.
- Pour 50 of the blue beads and 50 of the yellow beads into Beaker 1. Sift or stir the beads around to create a homogenous mixture.
- Pour 50 of the red beads and 50 of the green beads into Beaker 2. Sift or stir the beads around to create a homogenous mixture.
Assumptions for the remainder of the experiment:
- Beaker 1 contains beads that are either yellow or blue.
- Beaker 2 contains beads that are either green or red.
- Both beakers contain approximately the same number of each colored bead.
- These colors correspond to the following traits (remember that Y/y is for kernel color and S/s is for smooth/wrinkled):
1. Yellow (Y) vs. Blue (y)
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2. Green (G) vs. Red (g).
Part 2: Monohybrid Cross
- Randomly (without looking) take two beads out of Beaker 1. This is the genotype of Individual #1. Record the genotype in Table 1. Do not put these beads back into the beaker.
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Table 1: Parent Genotypes: Monohybrid Crosses |
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Generation |
Genotype of Individual 1 |
Genotype of Individual 2 |
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P |
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P1 |
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P2 |
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P3 |
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P4 |
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- Repeat Step 1 for Individual #2. These two genotypes represent the parents (generation P) for the next generation.
- Set up a Punnett square and determine the genotypes and phenotypes for this cross. Record your data in Table 2
- Repeat Step 3 four more times (for a total of five subsequent generations). Return the beads to their respective beakers when finished.
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Table 2: Generation Data Produced by Monohybrid Crosses |
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Parents |
Possible Offspring Genotypes |
Possible Offspring Phenotypes |
Genotype Ratio |
Phenotype Ratio |
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P |
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P1 |
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P2 |
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P3 |
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P4 |
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