Multiple choice

In case of mitosis in 'Gnetum', which of the following is the correct explanation for the term ‘karyochoresis’?

  1. During cell division, the karyotheca disappears completely.

  2. During cell division, the karyotheca and the nucleolus disappear completely.

  3. During cell division, the karyotheca does not disappear.

  4. During cell division, the mitotic spindle is not formed.
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C Correct answer
Explanation

Karyochoresis is that type of mitosis in which the nuclear membrane (karyotheca) does not disappear, but it persists throughout the cell division and it can be seen even at the telophase. During karyochoresis, the spindle formation is internal. After telophase, the parent nucleus undergoes centripetal constriction and divides into two daughter nuclei.

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