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.
The Quarterbackâs Job in a Football Game. With the exception of kicking plays, quarterbacks touch the ball on every offensive play during a football game. A quarterbackâs job is to direct his team toward the end zone and score as many points as possible.