heterozygous

adj. possessing different forms of a gene (i.e., different alleles) at a given genetic locus on each of a pair of homologous chromosomes. One allele is inherited from the mother and the other from the father. In such individuals, the dominant allele is expressed, and the recessive allele is not. Compare homozygous. —heterozygote n.

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Psychology term of the day

February 22nd 2025

association psychology

a psychological approach based on the premise that learning and knowledge are derived from the formation of connections (associations) between ideas or representations of stimuli and responses. Association psychology developed from British empiricist and associationist philosophy (see associationism).