[HD] mấy bác chỉ giùm em với khó quá !!!!!!!!
:???:trong thuc nghiem nguoi ta tao ra mot mARN chi co 2 loai U va X voi ti le tuong ung la 5:1, ti le bo ba ma hoa UUU trong mARN tren la bao nhieu??????????????
NEU POST LON XIN DUNG TRACH EM
go dau khong duoc cac pac thong cam :xinkieu:
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