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NEET Biology Biotechnology And Its Applications Question Bank Genetic Variation

  • question_answer
    In man, which of the following genotypes and phenotypes may be the correct result of aneuploidy in sex chromosomes   [CPMT 2004]

    A) 22 pairs + XXY males

    B) 22 pairs + XX females

    C) 22 pairs + XXXY females

    D) 22 pairs + Y females

    Correct Answer: A

    Solution :

    The condition of chromosomal change which involve the loss or gain of single chromosome is called aneuploidy. Genotype ?22 pairs + xxy males? show the condition of Klinefelter?s syndrome.


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