Originally: = monogenic, adj.2 Later chiefly: involving or dependent upon a single factor or cause.

Involving or controlled by a single gene.

Determined by or involving several or many genes, spec. polygenes.

Controlled by or involving more than one gene; = polygenic, adj.2 Cf. earlier multifactorial, adj.

Genetics. Designating genes that govern the same phenotypic trait and have a synergistic effect on the phenotype; of or relating to such genes…

Of a heritable characteristic: controlled by a few genes. Cf. polygenic, adj.2

Genetics. (Now always as a capital.) The symbol of the X chromosome, n. So X-linked adj. (stress variable) being or determined by a gene that is…

(stress variable) being or determined by a gene that is carried on the Y chromosome.

Controlled by or involving more than one gene; polygenic. Also: of or relating to multigenes. Cf. multigenic, adj.

any gene whose final product is a protein or RNA molecule which is not a regulator of gene expression; contrasted with regulator gene, regulatory gene…

Designating genes (in different genomes) that are derived from a common ancestral sequence (homologous) by phylogenetic descent; related in this…

Molecular Biology. Designating genes or nucleotide sequences within a single genome that arose from a single ancestral sequence by duplication and…