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13 May, 10:58

What is crossing over during meiosis and how does it affect evolution

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  1. 13 May, 11:00
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    Crossing over occurs between prophase 1 and metaphase 1 and is the process where homologous chromosomes pair up with each other and exchange different segments of their genetic material to form recombinant chromosomes. It can also happen during mitotic division, which may result in loss of heterozygosity.
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