where are the two times in meiosis that introduce genetic variation? A natural p

Question

where are the two times in meiosis that introduce genetic variation? A natural plant product, vinblastine from the periwinkle, has been used successfully in the treatment of a wide range of cancers. This chemical works by interfering with mitosis. Vinblastine inhibits mitosis by preventing the assembly of the spindle. a. At what phase do you expect cell division to be interrupted? b. Explain based of the activities occurring at this mitotic phase. Where are the two times in meiosis that introduce genetic variation?

Explanation / Answer

Ans- The two times in meiosis where the genetic variation takes place are-

1) during independent assortment of homologous chromatid during meiosis 1.

2) during crossing over between homologous chromosomes in prophase 1.

Other time where it occur is during independent assortment of non sister chromatids during meiosis 2.

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