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Question

Microtubules from opposite poles of spindle get attached to kinetochores of sister chromatids during

A
anaphase II
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B
prophase II
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C
metaphase II
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D
metaphase I
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Solution

The correct option is C metaphase II
Microtubules from opposite poles of spindle get attached to kinetochores of sister chromatids during metaphase II.

In metaphase I, the bivalent chromosomes align on the equatorial plate, the microtubules from the opposite poles of the spindle attaches to the pair of the homologous chromosomes.

In prophase II, the nuclear membrane disappears, the chromosome become compact.

In anaphase II, the centromere of each chromosome divides. The chromosomal fibres shorten and carry the daughter chromosomes towards the opposite poles.


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