Reason: None provided.
Yes. Bonus Lesson, since females only have the X chromosome, the father's sperm decides the sex, since it can carry either an X or Y chromosome.
3 years ago
1 score
Reason: Original
Yes. Bonus Lesson, since females only have the X chromosome, the father's sperm decides the sex, since it can carry either X or Y chromosomes.
3 years ago
1 score