B b
B BB Bb
b Bb bb
B = brown eyes b = blue eyes
According to the Punnett Square shown above
A.
there is a 75% probability that an offspring will have blue eyes and a 25% probability that an offspring will have brown eyes.
B.
there is a 75% probability that an offspring will have brown eyes and a 25% probability that an offspring will have blue eyes.
C.
there is a 50% probability that an offspring will have brown eyes and a 50% probability that an offspring will have blue eyes.
D.
there is a 100% probability that an offspring will have one brown eye and one blue eye.