Question

Women have sex chromosomes of XX, and men have sex chromosomes of XY. Which of the women's grandparents could not be the source of any of the genes on either of her X- chromosomes? O Mother's Mother. O Mother's Mother and Mother's Father. Father's Father O Father's Mother. O Mother's Father.

Answer 1

Solution:-

Woman's father's ху father Woman's father's - mother , xx Woman's mother's father XY woman's mother's . mother. xx. Woman's father . XY - Woman's mother Xx Woman XX CScanned with CamScanner

from the digarm it is clear that women will not get any X chromosome from the womens father's father.

so the answer to the question is fathers father