Question

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

Answer 1

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.