Pt1420 Unit 6 Lab

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Question: Relate Cause and Effect: How does crossing-over increase variation in genes?
Answer: Crossing over increases variation in genes because by crossing over new mixture of genes are being created from the parents.
Question: Use Models: Suppose no crossing-over takes place. Use Step 5 to explain why meiosis will still increase genetic variation.
Answer: If there is no crossing over, you would think that you would not have genetic variation. However, the haploids contain a bit of genetic data, therefore there would still be genetic variation increased.
Question: What would happen to the possible variation in gametes if the number of chromosome pairs increased from two to three? What if the number increased again from three to four?
Answer:
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