H
hoathuytinh_116


1)so te bao sinh ra? Biet nguyen phan lien tiep 5 lan.
2) Tinh so te bao nguyen phan 8 lan (2n=8NST)
CAM ON NHIU:khi (91)::khi (47):
2) Tinh so te bao nguyen phan 8 lan (2n=8NST)
CAM ON NHIU:khi (91)::khi (47):