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NEET Biology Cell - The Unit Of Life Question Bank Self Evaluation Test - Cell - The Unit of Life

  • question_answer
    The following diagram represents a structure of chromosome. Identify the structures of marked as 1, 2 and 3.

    A) 1 ? Satellite, 2 - Primary constriction, 3 ? Acrocentric

    B) 1 - Satellite, 2 - Secondary constriction, 3 ? Metacentric

    C) 1 - Satellite, 2 - Centromere, 3 ? Telocentric

    D) 1 -Satellite, 2-Centromere, 3-Submetacentric

    Correct Answer: B

    Solution :

    [b] The figure shows the structure of metacentric (3) chromosomes. The parts marked as (1) and (2) are respectively are satellite and secondary constriction. Metacentric chromosomes have the centromere in the centre, due to which both sections are of equal length.


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