Barbara01
2 Answers
pythonlover
The male determines the sex,women carry the x chromosone,the men carry the x and the y chromosone,so if a x chromosone from the male hits a x chromosone from the woman,it will be a girl,if the y chromosone hits the x chromosone from the woman it will be a boy.So xx is a girl and xy is a boy.
| 13 years ago. Rating: 2 | |
Yvonne57
Top contributors in Uncategorized category
Unanswered Questions
kubettwco
Answers: 0
Views: 4
Rating: 0
alo789cab
Answers: 0
Views: 6
Rating: 0
Uk88
Answers: 0
Views: 5
Rating: 0
ZBET – ZBET Vua Nhà Cái Thể Thao Uy Tín Top Đầu Châu Mỹ
Answers: 0
Views: 6
Rating: 0
women2topnet
Answers: 0
Views: 4
Rating: 0
top88deal
Answers: 0
Views: 6
Rating: 0
TX88 – Đỉnh Cao Trải Nghiệm Giải Trí Trực Tuyến!
Answers: 0
Views: 7
Rating: 0
mkgamepro1
> More questions...
Answers: 0
Views: 5
Rating: 0