For parthenogenesis to happen, a chain of cellular events must successfully unfold. First, females must be able to create egg cells (oogenesis) without stimulation from sperm or mating.

Thelytokous parthenogenesis, that is, ... In apomictic (or ameiotic) parthenogenesis, there is no recombination of alleles and the offspring are ‘true clones’ of the mother.

A stingray in Hendersonville is about to give birth through parthenogenesis, according to expert, who says it's impossible for shark to mate with ray.

The production of offspring without fertilization by a male, by parthenogenesis, is a rarity in vertebrates. But genetic fingerprinting has now identified parthenogenetic offspring from two female ...

Parthenogenesis, which means "virgin creation" in Greek, occurs mainly in some jawed vertebrates, but is unnatural for mammals, according to the National Institutes of Health.

For parthenogenesis to happen, a chain of cellular events must successfully unfold. First, females must be able to create egg cells (oogenesis) without stimulation from sperm or mating.