If you were to graph out a trait or phenotype that is polygenic, you would notice a trend. These traits have what's called continuous variation, showing a bell curve of values for the phenotype. This is because there are multiple genes that play a role in the phenotype, and each gene could have multiple alleles.f you were to graph out a trait or phenotype that is polygenic, you would notice a trend. These traits have what's called continuous variation, showing a bell curve of values for the phenotype. This is because there are multiple genes that play a role in the phenotype, and each gene could have multiple alleles.
Definition of SIC Code. An SIC Code is a number used to specify what industry a particular company belongs to. The Standard Industrial Classification (SIC) code system was replaced by the North American Industry Classification System (NAICS) in 1997.You can use our tools to lookup SIC codes and select SIC code mailing lists.Additional resources: 1  SIC Codes (from the SEC).he Standard Industrial Classification (SIC) code system was replaced by the North American Industry Classification System (NAICS) in 1997. You can use our tools to lookup SIC codes and select SIC code mailing lists.
Though occasionally misidentified as an abbreviated word, sic is a Latin adverb used in English as an adverb, and, derivatively, as a noun and a verb. The adverb sic, meaning intentionally so written, first appeared in English circa 1856.It is derived from the Latin adverb sÄ«c, which means so, thus, in this manner.n occasion, sic has been misidentified as the acronym s.i.c. for spelled in context, said in copy, spelling is correct, spelled incorrectly, and other phrases. These are all backronyms from sic.