Question

a black mouse was crossed with a brown Mouse. Here black is dominant over brown. Find out if F1 and F2
Answer fast for 55 points

Answer 1

Hi there!

Let's take the genotype of black mouse = BB
And the genotype of brown mouse = bb

BB × bb
↓
Bb

F1 generation will be a black mouse.

And now for F2 generation we will do selfing
Bb × Bb
Results will be BB , Bb , Bb , bb

In F2 generation, ratio of Black : Brown = 3:1

Thanks :)

Answer 2

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