D, perspiration (which is also known as sweating).
Hope that helped :)
Your answers would be A,B, and C but if it’s only 1 I’d go with A
Answer:
heterozygote advantage
Explanation:
An heterozygote advantage is when a heterozygous genotype has a greater aptitude than homozygous genotypes. The specific case of heterozygous advantage over a single locus is known as overdominance. In short, this happens when a disorder is present in a heterozygous population, but this disorder has a great benefit for the genes present in the body.