To see the effects of the experimental group
The correct answer is A). , since both of the traits are dominant, because the colors are darker than Blonde, for example. Something like Blue eyes, Green eyes, Light hair color, would be recessive, meanwhile darker hues are more dominant.
The answer to the given question above would be FOUR. The number of copies of a DNA molecule that results from two replications of a single DNA molecule is FOUR. Since there are two replications, this makes the DNA molecule four. Hope this answers your question.
I think it is d - as plants animals and insects etc all do this
I think the answer is two