Crossing over occurs at the beginning of meiosis. Which of the following statements is true about crossing over? (There is only one right answer) 1) Crossing over occurs both during mitosis and meiosis. 2) Crossing over involves the exchange of corresponding segments of DNA between sister chromatids. 3) Crossing over is a rare event and can only occur at one location along each pair of homologous chromosomes. 4) As a result of crossing over, the two sister chromatids of a replicated chromosome are no longer identical. 5)Crossing over does not produce chromosomes with new combinations of maternal and paternal alleles.
Crossing over occurs at the beginning of meiosis. Which of the following
statements is true about crossing over? (There is only one right answer)
1) Crossing over occurs both during mitosis and meiosis.
2) Crossing over involves the exchange of corresponding segments of DNA between sister chromatids.
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3) Crossing over is a rare event and can only occur at one location along each pair of homologous chromosomes.
4) As a result of crossing over, the two sister chromatids of a replicated chromosome are no longer identical.
5)Crossing over does not produce chromosomes with new combinations of maternal and paternal alleles.
