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NEET Biology Biotechnology And Its Applications Question Bank Genetic Variation

  • question_answer
    Which pair of chromosomes is concerned with Down's syndrome [MP PMT 1992; CBSE PMT 2002; CPMT 2002; BVP 2002; MH-CET 2002; DPMT 2003]

    A) 7th

    B) 18th

    C) 21st

    D) 23rd

    Correct Answer: C

    Solution :

    Polyploidy is the phenomenon of having more than two genomes or set of chromosomes e.g. 3n, 4n, 5n etc.


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