Cho thứ đậu hà Lan thân cao, hoa trắng ,hạt vàng giao phấn vối cây thân thấp, hoa đỏ, hạt xanh cho F1 là thân cao, hoa đỏ hạt vàng. Cho F1 giao phối với cây chưa biết kiểu gen. Ở F2 thu được tỉ lệ phân li kiểu hình : 3:3:3:3:1:1:1:1. Cho biết mỗi cặp gen qui định 1 tính trạng riêng rẽ nằm trên cặp NST tương đồng khac nhau a) Giải thích kết quả và viết sơ đồ lai từ P-> F2 b)nếu muốn ngay từ F1 thu được 75% thân cao,hoa đỏ ,hạt xanh :25% thân cao,hoa trắng hạt xanh thì phải chọn các cây bố mẹ như thế nào?

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14. be / cool / will / and / windy / it. ......................................................................................................................................... 15. where / go / did / weekend / you / last? ......................................................................................................................................... 16. Phu Quoc / I / to / Island / went. ......................................................................................................................................... 17. do / of / think / it / you / What? ......................................................................................................................................... 18. expected / beautiful / than / It’s / more / I ......................................................................................................................................... 19. Phu Quoc / go / next / to / I’ll / Island / year. ......................................................................................................................................... 20. I / Ha Nam / village / in / a / in / live / small. ......................................................................................................................................... 1. in / peaceful / hometown / quiet / and / my / life / is. ........................................................................................................................................ 22. friendly / are / villagers / the / kind / and. ......................................................................................................................................... 23. noisy / Ha Noi / is / busy / and. ......................................................................................................................................... 24. than / Ha Noi / more / Ha Nam / crowded / is ......................................................................................................................................... 25. would / like / what / you / eat / to? .........................................................................................................................................

a. bowl b. cup c. sweet d. bunch 2. a. activity b. season c. weather d. like 3. She …… doing aerobics now. A. are B. does C. is D. has 4. George …… before he goes to school. A. usually is swimming B. is usually swimming C. usually swims D. swims usually 5. ………………..bowls of rice do you eat? A. How often B. How many C. How much D. How far Use these words to make a complete sentence. There is one example. (1point) 1. It/ cold/ foggy/tomorrow. ......................................................................................................................................... 2 do/ of/ what/ think/ you/ Ha Long Bay/ ? …………………………………………………………………………………………. 3 There/ two/ seasons/ south/ Viet Nam. .......................................................................................................................................... 4 Which / place/ like/ you/ Ha Long Bay/ Ba Na Hill? ......................................................................................................................................... 5 Sara/ more/ thinks/ Dam Sen Park/ exciting / than/expected. ......................................................................................................................................... 6. a / I’d / an / sandwich / apple, / please / and / like. ......................................................................................................................................... 7. do / eat / you / sausages / every / day / many / how? ......................................................................................................................................... 8. you / how / drink / do / day / every / water / much? ......................................................................................................................................... 9. bottles / five / water / of / a / drink / day / I. ......................................................................................................................................... 10. are / seasons / there / in / four / country / my. ......................................................................................................................................... 11. autumn / what’s / Hai Phong / like / in? ......................................................................................................................................... 12. usually / dry / it’s / cool / and. ......................................................................................................................................... 13. will / what / like / weather / be / the / tomorrow? .........................................................................................................................................