Crossing over occurs when

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asked Oct 24, 2022 178k views

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Tushar Tarkas · Answer 1 · 2022-10-27T05:21:08+0000

Answer: The answer is B. homologous chromosomes join together to form tetrads during prophase I.

Explanation: I got it right on the test.

Kennet Belenky · Answer 2 · 2022-10-29T09:13:33+0000

Answer: there is an exchange of chromosome segments between homologous chromosomes during prophase 1

Step-by-step explanation:

Homologous chromosomes are paired up in their tetrads. Then part of each homologous pair breaks at the same point and reattaches to the other. This results in genetic variation.

Crossing over occurs when

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