If you're referring to wing color in terms of evolution, wing color can be determined by something as small as the color of trees that particular bird is around. Those with wings that match the tree color are most likely to survive because they are more hidden from predators.
Pretty sure C A. Doesn’t make sense bc restriction enzymes cleave dna into fragments B. PCR is used to identify organisms that are difficult to culture D. Once again restriction enzymes just cut the dna up
