SMN1 and SMN2 are nearly identical, he said, and the only consistent difference between them is a single nucleotide variation at the start of exon 7. (smafoundation.org)
It consists of creating an original progressive system that will enable the annotation of nucleotide variations and the prediction of their pathogenicity based on the most robust algorithms and taking into account multiple levels of analysis. (rd-connect.eu)
«White males with a single nucleotide variation in KITLG, called the G allele, have the highest odds of having testicular cancer. (sciencedaily.com)