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.
Confidence votes 3.3K. American Football Positions: Quarterback: Generally the person who passes the ball. He calls the cadance and tells the Center when to snap the ball. He is generally the offensive leader (if not the whole team-leader), and is brilliant with the offense as a whole.