Changes within a kind of organis
caused by variations in
a gene pool

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles

What enzyme is most important for dna replication and why?