Lab 15: Population Genetics - eScience Labs
Lab 15: Population Genetics - eScience Labs
Lab 15: Population Genetics - eScience Labs
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<strong>Lab</strong> 12: Meiosis<br />
4. Name two ways meiosis contributes to genetic recombination.<br />
5. Why do you use non‐sister chromatids to demonstrate crossing over?<br />
6. How many chromosomes were present when meiosis I started?<br />
7. Why is it necessary to reduce the chromosome number of gametes, but not other cells of an<br />
organism?<br />
8. If humans have 46 chromosomes in each of their body cells, determine how many chromosomes<br />
you would expect to find in the following:<br />
Sperm ___________________<br />
Egg ___________________<br />
Daughter cell from mitosis ___________________<br />
Daughter cell from Meiosis II ___________________<br />
9. Investigate a disease that is caused by chromosomal mutations. When does the mutation<br />
occur? What chromosome is affected? What are the consequences?<br />
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