Question

Explain why the resulting number of chromosomes in a fetus is the same as the parents' chromosome number

Answer 1

Normally, meiosis causes each parent to give 23 chromosomes to a pregnancy. When a sperm fertilizes an egg, the union leads to a baby with 46 chromosomes. ... This is because errors in meiosis may be more likely to happen as a result of the aging process. Women are born with all of their eggs already in their ovaries.

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