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miv72 [106K]
3 years ago
5

Which mechanism of genetic variation results from the exchange of gene segments between non-sister chromatids? Select one of the

options below as your answer:
A. Crossing over
B. Independent assortment
C. Random fertilization
Biology
2 answers:
Marysya12 [62]3 years ago
6 0
A) Crossing over is the mechanism of genetic variation that results from the exchange of gene segments between non-sister chomatids.
Travka [436]3 years ago
5 0
Crossing over<span> 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.</span>
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