lai 2 cay thuan chung than cao va than thap thu duoc F1 100% than cao.lai phan tich F1 thu duoc F2:75% than cao,25%than thap.tinh trang chieu cao than di truyen theo quy luat nao
lai 2 cay thuan chung than cao va than thap thu duoc F1 100% than cao.lai phan tich F1 thu duoc F2:75% than cao,25%than thap.tinh trang chieu cao than di truyen theo quy luat nao