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KVPY Sample Paper KVPY Stream-SX Model Paper-12

  • question_answer
    Albinism in humans is controlled by a recessive allele. How many copies of this allele will be found at one of the poles of a cell at telophase-I of meiosis in an albino person?

    A) 23

    B) 4       

    C) 2 

    D) 1

    Correct Answer: C

    Solution :

    Since the allele is recessive, both homologous chromosomes in a somatic cell of an albino person would have the allele. After meiosis-I, each end would have a homologous chromosome with the allele. Since the chromosome is sxisting as a pair of sister chromatids at this stage, each chromosome and hence sach end would have 2 copies of the allele.


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