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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2015

  • question_answer
    Which of the following conditions correctly describes the manner of determining the sex in the given example?

    A)  Homozygous sex chromosome XX produces male in Drosophila.

    B)  XO type of sex determines male sex in grasshopper.

    C)  Homozygous sex chromosome ZZ determines female sex in birds.

    D)  XO condition in humans as found in Klinefelters syndrome determines female sex.

    Correct Answer: B

    Solution :

    : Homozygous sex chromosome XX produces female in Drosophila. Homozygous sex chromosome ZZ determines male sex in birds and some reptiles. In Klinefelters syndrome there is trisomy of sex chromosome, 44+XXY.


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