Women have sex chromosomes XX, and men have sex chromosomes XY. Which of a woman's grandparents could not be the source of any of the genes on either of her X chromosomes?

Question

anonymous · Answer

Do you have answers?

anonymous · Answer

Like  a b c d

anonymous · Answer

The father's father donates only the Y chromosome, not the X chromosome. The father's mother gives him his X chromosome.

Therefore, the father's father does not pass on the genetics of his X chromosome to his son, or his son's offspring.

anonymous · Answer

http://www.biology.arizona.edu/mendelian_genetics/problem_sets/sex_linked_inheritance/09Q.html this should help need me anytime just call