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saw5 [17]
3 years ago
12

Crossing over shuffles alleles on:_____.a. sister chromatids.b. different non-homologous chromosomes.c. chromosomes within diffe

rent cells.d. different homologous chromosomes.d. none of the answers are correct.
Biology
1 answer:
drek231 [11]3 years ago
6 0

Answer:

d

Explanation:

<em>Crossing over shuffles alleles on non-sister chromatids of homologous chromosomes.</em>

At the prophase I stage of meiosis, homologous chromosomes synapsed to form a four-chromatid structure known as tetrad. Exchange of chromosomal segments between non-sister chromatids of the tetrad then takes place, a process that results in the reshuffling of genes or alleles on the non-sister chromatids.

Hence, none of the answers is correct.

Correct option: d

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