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In cancer cells, karyotype analysis shows the speific arrangement of chromosome becomes deranged. In Which of stages of mitosis is a non_disjunction most likely to occur and what's reason for that

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Answer:

Nondisjunction can occur during anaphase of mitosis, meiosis I, or meiosis II. ... Nondisjunction in meiosis II results from the failure of the sister chromatids to separate during anaphase II.