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2 năm trước
2. Ở càchua, tínhtrạngquảđỏtrội so vớiquảvàng, tínhtrạngquảtròntrội so vớibầudục. Cho laicàchuaquảvàng, bầudụcvớicàchuaquảđỏ, tròn. Xácđịnhkiểu di truyềncủađời P trongcáctrườnghợpcókếtquả ở đời F1 nhưsau: a. 25% đỏ, tròn : 25% đỏ, bầudục: 25% vàng, bầudục: 25% vàng, tròn. b. 50% đỏ, tròn: 50% đỏ, bầudục. Biếtrằngcáctt di truyềntheoquyluật PLĐL
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