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. It may occur in ...

Parthenogenesis, sometimes called "virgin ... "For more advanced animals like vertebrates, scientists think that the ability to reproduce asexually came about as a last-ditch effort for species ...

ISTOCK/GETTY IMAGES PLUS/Giuseppe Esposito, Scientific Reports 2024 "Many different types of parthenogenesis have been described in each vertebrate taxon, except mammals," the authors wrote.

Polar bodies usually wither away. But in vertebrates that can perform parthenogenesis, one polar body sometimes fuses with the egg, creating a cell with the necessary complement of chromosomes to ...

A response to 'when all else fails' Parthenogenesis is considered uncommon in vertebrates, but in recent decades it has been observed in more than 80 species of animals including birds ...

The aquarium says Yoko's birth could be the result of either delayed fertilization or parthenogenesis ... been seen in certain kinds of plants and vertebrates. Kevin Feldheim, the Pritzker ...

Parthenogenesis is quite common in insects, such as mayflies, although it is rarer in vertebrates. Since a captive bonnethead shark gave birth in 2001, more cases have been reported in sharks and ...

It is rarer among vertebrates. No mammals ... The phenomenon, scientifically speaking, is called parthenogenesis. It’s a Greek term for “virgin birth.” The more animals in which biologists ...

Staff at the Shreveport Aquarium in Louisiana were astonished by the birth of a baby swell shark named Yoko. The young shark hatched in a tank that housed only two female sharks, which had not ...

A Louisiana aquarium welcomed a new baby shark to its facilities earlier this month, but staff are unsure of exactly where it came from. On Jan. 3, a swell shark egg hatched at Shreveport Aquarium ...