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Shown in the diagram are homologous chromosomes during prophase I of meiosis. Which of the following describes the process shown? A. A mutation occurred in which the DNA content of the gene is altered. B. Segregation of sister chromatids has occurred. C. Alleles have condensed and segregated. D. Crossing-over, in which alleles are exchanged, has occurred.

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eliza154
diagram is missing? but only one of those occurs in prophase 1, and that is D :)
liah101

Answer:

D ) Crossing-over in which the variations of genes are exchanged.

Explanation:

I'm taking the test right now so I know what digram your talking about.

{Hope this helps} : )

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