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    XX-XO type of sex determination is present in
    Question

    XX-XO type of sex determination is present in

    A.

    Drosophila

    B.

    Grasshopper

    C.

    Birds

    D.

    Humans

    Correct option is B

    Grasshopper is an example of XO type of sex determination in which the males have only one X-chromosome besides the autosomes, whereas females have a pair of X-chromosomes.

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