Answer:
D
it's Ddddddddddddddddddddddd
Explanation:
D
Studies the evolutionary processes that produced the diversity of life on Earth, starting from a single common ancestor.
Changes in the gene pool are closely related to genetic mutations, which are a major part of evolution.
I'm going to use the letter W for this
Going by the question, white is the dominant trait.
WW = white
Ww = speckled
ww = black
4 chickens would be speckled because 50% of the punnet square is Ww