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Nhathoangxaydung1234
2 năm trước
Khi lai thuận và nghịch hai thứ cà chua thuần chủng quả dẹt và quả dài với nhau được F1 đều quả dẹt, cho cây F1 giao phấn với nhau được F2 có 90 quả dẹt, 61 quả tròn, 10 quả dài. • a/ Xác định KG của 2 giống bố, mẹ P. • b/ Viết SĐL từ P à F2. mọi người giúp em với ạaaa
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