Biology, 29.06.2019 09:00 ninaaforever

Crossing over is a very important event in prophase 1 of meiosis! what happens during crossing over and what is the significance?

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During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.

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Crossing over is a very important event in prophase 1 of meiosis! what happens during crossing over...

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