Cho các phép lai giữa các cây tứ bội sau:Biết các...

D

- Hướng dẫn giải

Tỉ lệ 8: 4: 4: 2: 2: 1: 1: 1: 1 = (1: 4: 1) x (1: 2: 1)

(1) AaaaBBbb x AAAABBBb → (1:1) x (1: 5: 5: 1)

(2) AaaaBBbb x AAAaBbbb. → (1: 2: 1) x (1: 5: 5: 1)

(3) AAAaBBbb x Aaaabbbb → (1: 2: 1) x (1: 4: 1)

(4) AaaaBBbb x AAAABBBb → (1:1) x (1: 5: 5: 1)

(5) AaaaBBbb x AAAaBbbb → (1: 2: 1) x (1: 5: 5: 1)

(6) AaaaBBBB x AaaaBBbb → (1: 2: 1) x (1: 4: 1)

(7) AAAaBbbb x AAAABBBb. → (1: 1) x (1: 2: 1)

(8) AAaaBBbb x Aaaabbbb → (1: 5: 5: 1) x (1: 4 : 1)