I think it’s B I’m not sure
<span>One important mechanism of evolution, natural selection, </span>does<span> result in the evolution of improved abilities to survive and reproduce; however, this does not mean that evolution is progressive — for several reasons
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Because one parent contributed a C and the other contributed an s, the child will have both genes and their hair will be wavy. (Although curly hair is technically dominant, hair type is an example of incomplete dominance, so the curly hair doesn't cancel out the straight hair entirely.
Explanation: that what i know
The answer is Biological Resistance, hope this helps. Please mark brainliest.