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12 January, 00:25

Which of the following is not a source of genetic variation? a. Crossing over between sister chromatids b. Crossing over between homologous chromosomes c. Independent assortment of chromosomes d. Engulfing DNA from other organisms

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  1. 12 January, 01:20
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    C. Crossing over between sister chromatids

    Explanation:

    Crossing over occurs between the sister chromatids but this crossing over do not results in genetic variation. the reason for this is sequence of DNA which is similar and identical between the chromatids.
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