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Parthenogenesis

Definition

noun

A form of asexual reproduction where an unfertilized egg develops into a new individual in the absence of the male gamete.


Supplement

Parthenogenesis is regarded as a form of sexual reproduction since a zygote forms without the union between female and male gametes. It is a common means of reproduction in plants, invertebrates (such as water fleas, aphids, stick insects, some ants, bees and parasitic wasps), and vertebrates (such as some reptiles, amphibians, fish, and few birds)


Word origin: Latin, from Greek, birth, origin.

See also: asexual reproduction


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Re: Forced bird's parthenogenesis

But what has any of this to do with parthenogenesis? http://i.dailymail.co.uk/i/pix/2009/04/11/article-1169311-0440243F000005DC-268_468x332_popup.jpg

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by enarees
Sun Feb 16, 2014 10:50 am
 
Forum: Zoology Discussion
Topic: Forced bird's parthenogenesis
Replies: 4
Views: 1953

Re: Forced bird's parthenogenesis

But what has any of this to do with parthenogenesis?

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by animartco
Wed Feb 05, 2014 7:28 pm
 
Forum: Zoology Discussion
Topic: Forced bird's parthenogenesis
Replies: 4
Views: 1953

Forced bird's parthenogenesis

If we remove(or neutralize) the ovary of the female, it will become a fertile male. If we kept the eggs from the same female, we can get only offspring of its genome. Thus, by heterogamiy, known in botany, we can mutate birds.

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by enarees
Sun Dec 01, 2013 2:28 pm
 
Forum: Zoology Discussion
Topic: Forced bird's parthenogenesis
Replies: 4
Views: 1953

some clues from animal kingdom

... system. Hermaphrodites include the common earthworm and certain species of snails. A few species of fish, reptiles, and insects reproduce by parthenogenesis and are female altogether. There are some reptiles, such as the boa constrictor and komodo dragon that can reproduce sexually and asexually, ...

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by surgeongirl
Wed Sep 11, 2013 6:44 pm
 
Forum: Evolution
Topic: Gender divison in two opposites is greatest mistake of manki
Replies: 26
Views: 19650

Re: aneuploidy and polyploidy

... sense... :?: :?: The fact that it is extremely rare for humans, and only normally observed in hermaphroditic animals and/or ones that undergo parthenogenesis like flatworms, shrimp, salamanders, earthworms... and that it is far more common in plants suggests that this condition has not been ...

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by carmodyf
Thu Oct 11, 2012 4:36 am
 
Forum: Cell Biology
Topic: aneuploidy and polyploidy
Replies: 2
Views: 4476
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