Asexual reproduction forms new organisms, involved 1 one parent, and the daughter cells and parent cell compare because they are completely identical.
Colts quarterback Peyton Manning underwent his third neck procedure inâ¦ (Brian Spurlock / US Presswire ) Indianapolis quarterback Peyton Manning, the NFL's only four-time most valuable player, underwent another neck surgery Thursday and could sit out the entire season and possibly more. It was the third neck procedure in 19 months for Manning, 35, who has missed only one play because of injury in 14 seasons. The development is probably crippling to the Colts, who scrambled to sign veteran Kerry Collins two weeks ago and will start him Sunday at Houston.
Manning was unavailable for comment, as was his agent, Tom Condon. His father, Archie, and brother, Cooper, whose college career was ended by a severe neck injury, would not specifically address Peyton's surgical decision. Archie Manning, a former NFL quarterback, only spoke of his son's state of mind.