Meiosis
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Meiosis. The process of meiosis begins with a single cell containing 46 chromosomes. Crossover : The process by genetic materials are exchanged between homologous chromosomes. This contributes to genetic variability.

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Meiosis
Meiosis

The process of meiosis begins with a single cell containing 46 chromosomes.

Crossover: The process by genetic materials are exchanged between homologous chromosomes. This contributes to genetic variability.

The final result of meiosis is four reproductive cells (sperm or eggs), each of which carries 23 chromosomes.

Illustration courtesy of http://genetics.gsk.com/chromosomes.htm


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