Question

Q:Write the phenotype ratio of these crosses: 1. Ii x ii 2. yy x yy 3. Gg x Gg 4. Aa x AA 5. Yy x Yy 6. rryy x RrYy 7. TtRr x TTRr

Answer 1

1. 1:1

2 1:1

3.1:2:1

4.1:1

5.1:2:1

6.1st case when u take ry X RY then u get 1:2:1

then in 2nd case when u take ryxry u get 1:1

7.in this we find 3 cases inTRXTR we get 1:1

in TRxTr we get 1:2:1 in Trxtr we get 1:2:1

hope it is helpful to you thanks for the question#1#