SNP genotyping is the measurement of genetic variations of single nucleotide polymorphisms (SNPs) between members of a species. It is a form of genotyping, which is the measurement of more general genetic variation.
On most plays, the center will snap the ball directly into the quarterback's hands. In a shotgun formation, the center snaps the ball to the quarterback lined up several yards behind him.
snap to attention. â A soldier who snaps to attention moves quickly to a position of standing silently with the body stiff and straight, the feet together, and both arms at the sides. The phrase is also used figuratively.