Discussion
Consider the following statements comparing mitosis and meiosis.
1. Mitosis produces two cells, meiosis four.
2. Crossing over normally occurs in meiosis but not mitosis.
3. Both halve the chromosome number of the parent cell.
Answer: B
The first two are correct. The third applies only to meiosis, since mitosis produces daughters with the same chromosome number as the parent. Mitosis maintains the number while meiosis reduces it. Only one of the two divisions is reductional.
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