Definition: You are given a question on high school biology. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: The higher the proportion of loci that are "fixed" in a population, the lower is that population's
(A)nucleotide variability. (B)genetic polyploidy. (C)average heterozygosity. (D)A and C only

D