question_answer 36)

  The maleness of a child is determined by (a) the X-chromosome in the zygote (b) the Y-chromosome in zygote (c) the cytoplasm of germ cell which determines the sex (d) sex is determined by chance

Answer:

                  (b) The maleness of a child is determined by the Y-chromosome in zygote inherited from the father. If X-chromosome is inherited from the father, the zygote will develop into girl.