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Compare and contrast mitosis and meiosis. Give at least 4 similarities and/or differences.

CANZ247

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4 years ago

Compare and contrast mitosis and meiosis. Give at least 4 similarities and/or differences.

In the diagram above, Process X depicts meiosis I and Process Y depicts mitosis.

a. Compare and contrast mitosis and meiosis. Give at least 4 similarities and/or differences.
b. There are two events in meiosis that contribute to genetic variation.
i. Name each event and the meiotic stage it occurs in, and identify that stage in the diagram above.
ii. Explain how each event contributes to genetic variation.

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bio_man

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4 years ago

Quote from: CANZ247 (4 years ago)

a. Compare and contrast mitosis and meiosis. Give at least 4 similarities and/or differences.

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b. There are two events in meiosis that contribute to genetic variation.

Crossing-over and independent assortment is what leads to variation. Independent assortment is the process where the chromosomes move randomly to separate poles during meiosis. A gamete (final sex cell) will end up with 23 chromosomes after meiosis, but independent assortment means that each gamete will have 1 of many different combinations of chromosomes.

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