As colleagues, one a physician and one a bioethicist, we want to call attention to the importance of ethics in medical research, particularly in the case of cutting-edge reproductive ...

It has the tongue-twisting name "parthenogenesis." Kiessling: Parthenogenesis is the term that's applied to an egg that activates spontaneously on its own. This is relatively common in women.

Those molecular samples have now revealed something completely unexpected: two of the California condor females produced young without a male partner, a phenomenon called parthenogenesis. The ...

Scientists are studying whether a phenomenon called parthenogenesis, a rare form of asexual reproduction, or delayed fertilization, where fertilization occurs long after mating, could have occurred.

3 and was dubbed Yoko by keepers. Experts have posited two potential theories for the unusual hatching: parthenogenesis or delayed fertilization. Parthenogenesis occurs when a female animal ...

Or she can lay eggs without having mated, through a sort of virgin birth process called parthenogenesis. In 2006 at England’s Chester Zoo, a female named Flora, who’d had no male contact ...