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Stells [14]
3 years ago
8

When crossing-over takes place, chromosomes

Biology
1 answer:
sesenic [268]3 years ago
3 0
I think the correct answer from the choices listed above is option A. When crossing-over takes place, chromosomes exchange corresponding segments of DNA. Corresponding genes on non-sister chromatids are exchanged at chiasmata. Hope this answers the question.
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