10th Class Science Heredity and Evolution Question Bank Heredity and Evolution

  • question_answer The maleness of a child is determined by:

    A) The X chromosome in the zygote.

    B) The 1T chromosome in zygote.

    C) The cytoplasm or germ cell which determines sex.

    D) Sex is determined by chance.

    E) None of these

    Correct Answer: B

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