Question

Help? giving 25 points

Answer 1

% Normal chin (NN) - 25%

% Normal chin (Nn) - 50%

Step-by-step explanation:

Create a punnett square using Nn and Nn. Since both mom and dad have a dominant trait, but carries that recessive trait, it is considered "Nn".

N n x N n = NN, Nn, Nn, nn

% Normal chin (NN) - 25%

% Normal chin (Nn) - 50%

% Abnormal chin (nn) - 25%