NEW YORK, July 12 - Genaissance Pharmaceuticals announced Thursday that it identified an average of 14 different versions of every gene it examined in a recent study, which will appear in the July 20 issue of Science . 

The report unveils previously unknown variations in human genes, Genaissance CEO, Gualberto Ruano, said at a press conference on the study. Looking at 82 individuals from 4 different groups of diverse origin, the company identified 3,899 SNPs within 313 genes.