I believe the awnser is B
Answer:
An allele is one of two, or more, forms of a given gene variant. For example, the ABO blood grouping is controlled by the ABO gene, which has six common alleles. Nearly every living human's phenotype for the ABO gene is some combination of just these six alleles.
Explanation:
Plz give me brainliest worked hard.
They have more little impact because they are renewable
Answer:
I believe it should be structure.
Explanation: