Search results
Results From The WOW.Com Content Network
In bdelloid rotifers, females reproduce exclusively by parthenogenesis (obligate parthenogenesis), [5] while in monogonont rotifers, females can alternate between sexual and asexual reproduction (cyclical parthenogenesis). At least in one normally cyclical parthenogenetic species obligate parthenogenesis can be inherited: a recessive allele ...
[9] [10] [11] This type of reproduction has been induced artificially in a number of animal species that naturally reproduce through sex, including fish, amphibians, and mice. [ 12 ] [ 13 ] Some species reproduce exclusively by parthenogenesis (such as the bdelloid rotifers ), while others can switch between sexual reproduction and parthenogenesis.
Females of species have the ability to reproduce asexually, without sperm from a male. The process is called parthenogenesis, from the Greek words for “virgin” and “birth.”
Facultative parthenogenesis is the type of parthenogenesis when a female individual can reproduce via both sexual and asexual reproduction. [13] Females can produce viable offspring with or without genetic contribution from a male, and such an ability may, just like true parthenogens, enable colonization of new habitats by single female animals.
Many eukaryotic organisms including plants, animals, and fungi can also reproduce asexually. [1] In vertebrates , the most common form of asexual reproduction is parthenogenesis , which is typically used as an alternative to sexual reproduction in times when reproductive opportunities are limited.
While asexual reproduction is common among many plants and invertebrates, parthenogenesis, in which an egg develops, is more rare in vertebrates. And scientists are still unsure of exactly why it ...
Clonal derivation exists in nature in some animal species and is referred to as parthenogenesis (reproduction of an organism by itself without a mate). This is an asexual form of reproduction that is only found in females of some insects, crustaceans, nematodes, [ 24 ] fish (for example the hammerhead shark [ 25 ] ), Cape honeybees , [ 26 ] and ...
A phenomenon called parthenogenesis, a form of asexual reproduction where the embryo develops from an egg without fertilization, could have occurred, the aquarium said.