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.
| 14 years ago. Rating: 2 | |
Yvonne57
Top contributors in Uncategorized category
Unanswered Questions
FLY88: San Choi Xanh Chin, Game Nhanh Gon Le
Answers: 0
Views: 5
Rating: 0
789winmobile
Answers: 0
Views: 8
Rating: 0
BK8
Answers: 0
Views: 18
Rating: 0
11BET Nhà cái
Answers: 0
Views: 20
Rating: 0
SUNWIN
Answers: 0
Views: 14
Rating: 0
cm88zcomco
Answers: 0
Views: 17
Rating: 0
tg888beer2
Answers: 0
Views: 17
Rating: 0
oxbetyou
> More questions...
Answers: 0
Views: 20
Rating: 0