A zygote which has an X-chromosome inherited from the father will develop into a

  1. boy
  2. girl
  3. X- chromosome does not determine the sex of a child
  4. either boy or girl


Humans follow XX- XY mechanism of sex determination.

The correct option is B.

Join our Mailing List

Money Back Guarantee

Your purchase includes 100% 7-day money back guarantee.


If you are, for any reason, not entirely happy with your purchase, we will cheerfully issue you a full refund.