Question

two black female mice are crossed with a brown male .later female1 produced 9black and7brown​

Answer 1

Answer:Two black female mice are crossedwith the same brown male.

Female X produced 9 blacksand 7 browns

and Female Y produced 14 blacks

Mode of inheritance for black and brown coat color in mice :Autosomal

Brown = is AutosomalRecessive

Black = is AutosomalDominant

Female X (Bb) crossed with Male (bb)

Bb gives gametes = B and b

bb gives gametes = b

On Cross,

B x b = Bb = Black

b x b = bb = Brown

1 : 1 ratio

Explanation: