The following diagram represents a chromosome. Identify the structures marked as A, B and C.

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A - Satellite, B - Secondary constriction, C - Metacentric

A - Satellite, B - Centromere, C - Telocentric

A - Satellite, B - Primary constriction, C - Acrocentric

A - Satellite, B - Centromere, C - Submetacentric

answer is B.

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Detailed Solution

The figure shows the structure of metacentric (C) chromosomes. The parts marked as A and B are respectively are satellite and secondary constriction. Metacentric chromosomes have the centromere in the centre, due to which both sections are of equal length. Human chromosome 1 and 3 are metacentric.

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