3. Meiosis overview, crossing over and random assortment

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Mitosis

4 haploid daughter cells

One round of cell division

Meiosis

Two rounds of cell division

2 diploid daughter cells

Genetic variation doesn't change

Purpose is to generate gametes

Genetic variation increases

Purpose is cellular proliferation

Crossing-over doesn't occur

Crossing-over does occur

Slide 14 - Question de remorquage

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3. Meiosis overview, crossing over and random assortment

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