Paternal components in fruit flies, humans may contribute to fertilization, embryonic development
Wednesday, February 29, 2012 - 06:00
in Biology & Nature
(PhysOrg.com) -- It had long been assumed that the human sperm cells mission in life ended once it had transferred its freight of parental DNA to the egg. More recently however, other components of sperm have been implicated in fertilization, and perhaps even in subsequent embryonic development.