PARTHENOGENESIS occurs naturally in several orders of insects, and can conveniently be classified according to the sex of the offspring which develop from the unfertilized egg: (1) arrhenotoky ...
Now that Christmas is just around the corner, thoughts inevitably turn to an expectant Mary in the stable. However, she is not alone in the sphere of ...
Only mammals have relinquished parthenogenesis, a means of producing descendants solely from maternal germ cells. Mouse parthenogenetic embryos die by day 10 of gestation. Bi-parental reproduction is ...
One such asexual organism is the whiptail lizard in the U.S. Southwest, Mexico, and South America, which consists only of females who reproduce by parthenogenesis. They appear to be the only known ...