Wild type



(1) The typical (or the most common) form, appearance or strain existing in the wild.

(2) The normal, non-mutated version of a gene common in nature.

(3) The allele at each locus required to produce the wild-type phenotype.


The wild type is the most common form or phenotype in nature or in a natural breeding population.

In genetics, the wild-type organisms serve as the original parent strain before a deliberate mutation is introduced (for research) so that geneticists can use them as reference to compare the naturally occurring genotypes and phenotypes of a given species against those of the deliberately mutated counterparts.

Variant: wildtype (noun), wild-type (adjective)

Compare: mutant

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