Duplicated chromosomes result in two sister chromatids that are held together by a centromere. Which of the following statements best describes the location of genes along these sister chromatids?
A. Sister chromatids have identical alleles but are located in different locations along each sister chromatid because of crossing-over during meiosis.
B. Sister chromatids have identical genes, but different alleles. These are located in the same location on each sister chromatid.
C. Sister chromatids have identical genes, but different alleles. Additionally, they are located in different locations along each sister chromatid because of crossing-over during meiosis.
D. Sister chromatids have identical alleles that are located in the same place along each sister chromatid.
Answer: D
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