Biology, 20.11.2020 20:10 annafellows

Which of the following accurately describes the process of crossing over? А
Crossing over occurs before replication and non-sister chromatids exchange gene segments to make new combinations of genes.
B
Crossing over occurs after replication and non-sister chromatids exchange gene segments to make new combinations of genes.
с
Crossing over occurs before replication and only sister chromatids exchange gene segments to make new combinations of genes.
D
Crossing over occurs after replication and only sister chromatids exchange gene segments to make new combinations of genes.

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Which of the following accurately describes the process of crossing over? А
Crossing over occ...