During Prophase 1 of Meiosis, chromosomes undergo a process called crossing over during which,
the chromosomes swap information. What is the purpose of crossing over?

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Answer:

Crossing over is essential for the normal segregation of chromosomes during meiosis. Crossing over also accounts for genetic variation, because due to the swapping of genetic material during crossing over, the chromatids held together by the centromere are no longer identical.

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