Crossing-Over Between Sister Chromatids Does Not Result in Recombination of Genetic

question 27

Multiple Choice

Crossing-over between sister chromatids does not result in recombination of genetic material, while crossing-over between nonsister chromatids does because

• A) sister chromatids have the same alleles, while nonsister chromatids have different ones.
• B) sister chromatids have the same genes, while nonsister chromatids have different ones.
• C) sister chromatids have the same alleles but different genes, while nonsister chromatids have different alleles but the same genes.
• D) nonsister chromatids have the same alleles, while sister chromatids have different ones.
• E) nonsister chromatids have the same genes, while sister chromatids have different ones.

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