Question

Name the primary constrictions present in every chromosome.
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Answer 1

[IV] Centromere or primary constriction:

A lighter staining region appears as a constriction or thinner segment of the chromosome and is usually called centromere or primary constriction or kinetochore. It is less densely coiled and thereby slender segment near which the chromatids are held together during metaphase.

Answer 2

Answer:

Centromere or primary constriction:

A lighter staining region appears as a constriction or thinner segment of the chromosome and is usually called centromere or primary constriction or kinetochore. It is less densely coiled and thereby slender segment near which the chromatids are held together during metaphase.