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Parthenogenesis is a mode of asexual reproduction in which offspring are produced by females without the genetic contribution of a male. Among all the sexual vertebrates, the only examples of true parthenogenesis, in which all-female populations reproduce without the involvement of males, are found in squamate reptiles (snakes and lizards). [1]
On rare occasions, gargoyle geckos can reproduce asexually via parthenogenesis. In their native habitat of southern New Caledonia, they have been known to sustain themselves from a mixed diet. One study [ 3 ] found that they regularly consume a wide taxonomic and ecological variety of arthropods , lizard prey including geckos and skinks, and ...
Most geckos lay a small clutch of eggs. Some are live-bearing, and a few can reproduce asexually via parthenogenesis. Geckos also have a large diversity of sex-determining mechanisms, including temperature-dependent sex determination and both XX/XY and ZZ/ZW sex chromosomes with multiple transitions among them over evolutionary time. [58]
The common house gecko (Hemidactylus frenatus) is a gecko native to South and Southeast Asia as well as Near Oceania. It is also known as the Asian house gecko, Pacific house gecko, wall gecko, house lizard, tiktiki, chipkali [3] or moon lizard. These geckos are nocturnal; hiding during the day and foraging for insects at night.
Some documented species, specifically salamanders and geckos, that rely on obligate parthenogenesis as their major method of reproduction. As such, there are over 80 species of unisex reptiles (mostly lizards but including a single snake species), amphibians and fishes in nature for which males are no longer a part of the reproductive process ...
The tropical house gecko is a small lizard, having an average total length of 10–12.7 centimetres (3.9–5.0 in) (including tail) [5] and an average mass of 4.6 grams (0.16 oz). Females are on average somewhat larger than males, with the male average snout-to-vent length (SVL) being 51.56 mm (2.030 in) and the female average SVL being 54.47 ...
A Mediterranean house gecko in ambush on a nest of a sphecid wasp Sceliphron spirifex. Mediterranean house geckos are nocturnal. [21] They emit a distinctive, high-pitched call somewhat like a squeak or the chirp of a bird, possibly expressing a territorial message. Because of this aggressive behavior, juveniles avoid most interaction with ...
Heteronotia binoei, known commonly as Bynoe's gecko, is a species of lizard in the family Gekkonidae, and is endemic to Australia. One of the continent's least-habitat-specific geckos, it occurs naturally across much of the country, and has also established in areas where it does not occur normally, such as urban Perth, Western Australia .