Chapter 10 — LO 1 — Explain Why Meiosis Is Fundamental in Sexual Reproduction

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4 Terms

1
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Why is meiosis essential to sexual reproduction?

It produces haploid gametes so fertilization can restore diploid chromosome number.

2
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What do diploid and haploid mean?

Diploid cells have two chromosome sets; haploid cells have one.

3
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How many chromosomes do typical human somatic cells and gametes have?

Somatic cells have 46; gametes have 23.

4
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What generates genetic variation during sexual reproduction?

Crossing over, independent assortment, and random fertilization.