News
Reproduction in animals varies from species to species. Some types of reproduction, like parthenogenesis, are more unusual than others. This reproductive method requires only one individual rather ...
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.
Learn about our Editorial Policies. The findings contrast with previous studies of cloning in animals. Ryder, for one, has studied parthenogenesis among condors, but in that case the parthenogenesis ...
Special to The New York Times. TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the ...
Although recent experiments in the Physiological Laboratory have produced six baby rabbits without regular copulation, there is no expectation that the experiments will ultimately have an effect ...
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 ...
View Full Profile. Learn about our Editorial Policies. In recent years, more and more instances of parthenogenesis have emerged as “virgin births” in crocodiles, condors, and king cobras. While these ...
Geneticist Aarathi Prasad explores the natural phenomenon known as parthenogenesis, or virgin birth. Thanks to a breakthrough in DNA profiling, scientists have found that some species, including ...
6. The development of the embryo in parthenogenetic material is the same as found in normal material. 7. Parthenogenesis is becoming fixed in Thalictrum.
Haploid parthenogenesis occurs when females produce haploid male offspring from unfertilized eggs. When offspring are born, they look almost — if not completely — identical to their parent.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results