10th Class Science Heredity and Evolution

  • question_answer 37)
      A zygote which has an X-chromosome inherited from the father will develop into a (a) boy                                  (b) girl (c) X-chromosome does not determine the sex of a child                              (d) either boy or girl

    Answer:

                      (b) A zygote that has an X-chromosome inherited from father will develop into a girl. All children whether boys or girls inherit an X-chromosome from their mother. Thus, sex is determined by what they inherit from their father. A child who inherits X-chromosome from her father will be a girl, and one who inherits a Y-chromosome from him will be a boy.


You need to login to perform this action.
You will be redirected in 3 sec spinner