ncarlson64 ncarlson64

05-11-2021
Biology

contestada

Crossing over occurs when

Respuesta :

tishanafloyd tishanafloyd

29-01-2022

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

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.

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