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.
Football Terms. Attacker: A player whose job is to play the ball forward towards the opponent's goal area to create a scoring opportunity. Back Heel: A ball kicked using the back (heel) of the foot. Back Pass: A pass that a player makes back toward their own goal, usually made back to the goalkeeper.