NEET Biology Principle Of Inheritance And Variation Question Bank Chromosomes and Genes

  • question_answer
    The somatic chromosome complement in all human being is  [CPMT 1977, 79]

    A) 21 pairs of autosomes and one pair heterosomes

    B) 23 pairs of autosomes and one pair of heterosomes

    C) 22 pairs of autosomes and one pair of heterosomes

    D) 22 pairs of autosomes and one pair of XY chromosomes

    Correct Answer: C

    Solution :

    22 pairs of chromosomes are called autosomes, which decide the somatic characters in both sex, while 23rd pair of chromosomes are called hetrosomes or allosomes.


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