wildtype
n.— «“Our laboratory testing of the vCT using the BD ProbeTec System revealed that the vCT was as easily detected as the ’wildtype’ CT.” “Wildtype” is the term for the common circulating strain of an organism.» —“Variant Strain of Chlamydia May Go Undetected” in Baltimore, Maryland PR Newswire APr. 26, 2006. (source: Double-Tongued Dictionary)
Further reading
A resident of Michigan’s scenic Beaver Island shares the term, boodling, which the locals use to denote the social activity of leisurely wandering the island, often with cold fermented beverages. There have been various proposed etymologies...
Patrick in New York City is curious about the term ride or die, which describes a friend, fan, or romantic partner who is devoted to the end. The expression shows up in the mid-1990s in hip hop and the work of Tupac Shakur and The Lox, and often...
I don’t know if this makes a difference, but this is very much a term of art, not slang or scientific vernacular. If I’m not mistaken, it goes back in genetics literature hundreds of years.