Wild type
phenotype of the typical form of a species as it occurs in nature. Most prevalent allele – i.e., the one with the highest gene frequency – is the one deemed as wild type
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Wild type is a term in genetics for the most common type in a natural population. It is applied to alleles of a gene, or the genotypes or phenotypes of a species.
The term is used in genetics to contrast normal alleles with mutant alleles.[1]
With Drosophila melanogaster, wild type usually means the standard version of the famous laboratory population used in the T.H. Morgan laboratory, and since used around the world. This was, of course, only a small sample of the natural populations.
Actually, we propbably know more about Drosophila pseudoobscura in the wild than Drosophila melanogaster, because of a huge series of studies done by Theodosius Dobzhansky and his colleagues after World War II.[2]
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