Definition of NINJA for Kids. : a person trained in ancient Japanese martial arts who works as a spy and assassin especially in the past.
Zygote intrafallopian transfer (ZIFT) is an infertility treatment used when a blockage in the fallopian tubes prevents the normal binding of sperm to the egg.Egg cells are removed from a woman's ovaries, and in vitro fertilised. The resulting zygote is placed into the fallopian tube by the use of laparoscopy.The procedure is a spin-off of the gamete intrafallopian transfer (GIFT) procedure. ZIFT has a success rate of 64.8% in all cases.he resulting zygote is placed into the fallopian tube by the use of laparoscopy. The procedure is a spin-off of the gamete intrafallopian transfer (GIFT) procedure. ZIFT has a success rate of 64.8% in all cases.
Postzygotic Barrier. Reproductive isolation mechanism that acts after the point of conception. Postzygotic reproductive barriers act after the point of production of the zygote, contrasting prezygotic barriers which instead act to prevent conception.This represents a fundamental difference because up to the point of conception no eggs have been wasted nor progeny.he mule is the classic example of a postzygotic barrier as they almost always display a reduced hybrid fertility, and this is despite the fact that mules are otherwise impressively robust animals. For more on this topic, see Wikipedia and Google. Contact web master.