Part of the chromosome which joins with sister chromatids is?

Chromatid

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Chromonema

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Chromomere

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Centromere

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Solution

The correct option is D Centromere
The centromere is a part of the chromosome that joins the sister chromatids. During cell division spindle fibers are attached to the chromosome by a centromere. It ensures the formation of daughter cell with an exact copy of the chromosome.
So, the correct answer is option D.

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