Alleles are variant forms of a gene that are located at the same position, or genetic locus, on a chromosome. An allele frequency is calculated by dividing the number of times the allele of ...

Balancing selection, in contrast to directional selection, maintains genetic polymorphism in populations. For example, if heterozygotes at a locus have higher fitness than homozygotes (a scenario ...

Like other constructs in personality psychology, locus of control falls on a spectrum. Genetic factors may influence one’s locus of control, as well as an individual’s childhood experiences ...