This question is not clear, but I think I understand what you are asking. The difference between alleles of a gene is that some alleles may be dominant or recessive. If one gene has more dominant alleles than another, than it will be more visible.
Answer:
I'm pretty sure the answers for this is D, C, and B.
B - energy flow from one tropic level to the next
cellular from what i researched
hey plz make your question clearly then text me or comment
