n (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity

factor, gene
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dominant gene
gene that produces the same phenotype in the organism whether or not its allele identical
allele, allelomorph
(genetics) either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character
genetic marker
a specific gene that produces a recognizable trait and can be used in family or population studies
homeotic gene
one the genes that are involved in embryologic development
lethal gene
any gene that has an effect that causes the death of the organism at any stage of life
linkage group, linked genes
any pair of genes that tend to be transmitted together
modifier, modifier gene
a gene that modifies the effect produced by another gene
mutant gene
a gene that has changed so that the normal transmission and expression of a trait is affected
genes that are not competitors at the same locus
operator gene
a gene that activates the production of messenger RNA by adjacent structural genes
oncogene, transforming gene
a gene that disposes normal cells to change into cancerous tumor cells
a gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations
a normal gene that has the potential to become an oncogene
recessive gene
gene that produces its characteristic phenotype only when its allele is identical
regulator gene, regulatory gene
a gene that produces a repressor substance that inhibits an operator gene
repressor gene
gene that prevents a nonallele from being transcribed
structural gene
a gene that controls the production of a specific protein or peptide
suppresser, suppresser gene, suppressor, suppressor gene
a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)
an exogenous gene introduced into the genome of another organism
X-linked gene
a gene located on an X chromosome
Y-linked gene, holandric gene
a gene located on a Y chromosome
dominant, dominant allele
an allele that produces the same phenotype whether its paired allele is identical or different
recessive, recessive allele
an allele that produces its characteristic phenotype only when its paired allele is identical
homeobox, homeobox gene
one of various similar homeotic genes that are involved in bodily segmentation during embryonic development
CFTR, cystic fibrosis transport regulator
the gene that is mutated in cystic fibrosis
tumor suppressor gene
a suppressor gene that blocks unscheduled cell division
Type of:
serial arrangement in which things follow in logical order or a recurrent pattern