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Question

The primary constriction of a chromosome are surrounded by ______.

A
Centromere
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B
Centrosome
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C
Kinetochore
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D
Satellite
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Solution

The correct option is C Kinetochore
Every chromosome essentially has a primary constriction or the centromere on the sides of which disc shaped structures called kinetochores are present.
Sometimes a few chromosomes have non-staining secondary constrictions at a constant location. This gives the appearance of a small fragment called the satellite. And centrosome is an organelle responsible for cell division.

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Translation
BIOLOGY
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