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NEET Biology Biotechnology And Its Applications Question Bank Genetic Variation

  • question_answer
    Edward syndrome is on account of....... [MP PMT 1994, 99, 2000, 04]

    A) 45 chromosomes instead of 46

    B) Presence of three chromosomes on 18th pair of autosome

    C) Presence of three chromosomes on 21st pair of autosome

    D) Presence of three pair of sex chromosomes

    Correct Answer: B

    Solution :

    It has an abnormal karyotype of 10 2n + 1  (18)  = 47


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