sublinen.
/ˈsʌblʌɪn/, U.S. /ˈsəbˌlaɪn/ A subdivision of a line of ancestry. In later use (Genetics): a population of cells, organisms, etc., derived from an isogenic cell line or inbred line which is distinguished by having a trait differing in some way from the original line, caused by mutation or inherited from a genetically impure ancestor.
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the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > descent from common ancestor > inbreeding > inbred line > variant in
subline1847
1847 R. Chambers Vestiges Nat. Hist. Creation (ed. 6) 202 The monkeys either are the descendants of the line which at an earlier period gave parrots, or the parrots came from a sub-line representing the monkeys in their greater line.
1888 Encycl. Brit. XX. 494/1 Of the numerous sub-lines into which the family was divided nearly all became sooner or later extinct.
1948 Jrnl. Genetics 49 92 A tumour arising in one subline would be foreign, to some degree at least, to another subline.
1981 Nature 19 Feb. 626/1 Many of the major sublines of common inbred strains [of mice]..have arisen as a result of genetic contamination in the past.
2005 Q. Rev. Biol. 80 309/1 Sublines founded from the isogenic line will accumulate mutations so that the variation among sublines as well as the average within-line phenotypic variance will increase over time.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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