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Mitosis result in producing two cell whi...

Mitosis result in producing two cell which are similar to each other. What would be the consequence if each of the following irregularities occur during mistosis ?
(a) Nuclear membrane fails to disintegrate
(b) Duplication of DNA does not occur
(c) Centromeres do not divide
(d) Cytokinesis does not occur

Text Solution

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(a) As spindle is formed outside the nucleus, the chromosomes fail to arrange at the equator and separate
(b) Cell-division (M-phase) does not occur.
(c) Daughter chromosomes (sister chromatids) fail to separate
(d) Two nuclei present in same cell
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