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Hermaphrodite

Hermaphrodite

(Science: biology) An organism which has both male and female organs, and produces both male gametes (sperm) and female gametes (eggs).

The organism can have both types of organs at the same time (simultaneous hermaphrodite) or have one type early in life and the other type later in life (sequential hermaphrodite). One having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made.


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Natural selection is proven wrong

... the current special-fit machinery. As long as one can reasonably recognize and mate with their own species there can be males/females. If not then hermaphrodites could have continued to successfully reproduce. Would though lose the benefit of crossover exchange, not that we include that in reasons ...

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by GaryGaulin
Tue Apr 28, 2009 1:39 pm
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 87
Views: 2486

Human Sequential Hermaphrodites

Do human Sequential Hermaphrodites exist? I know there are fish and some types of snails as well as other animals that are able to change sex, but I can’t seem to find any information on humans that may be able to. I have found some ...

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by noxious123
Mon Apr 20, 2009 12:32 pm
 
Forum: Human Biology
Topic: Human Sequential Hermaphrodites
Replies: 5
Views: 372

Evolution of the distinction of gender

... in the first place. Agreed; there is no "why" to evolution...but "how" did it come about? I just can't imagine a point where hermaphrodite species split into sub-species that are mutually dependent for reproduction. Along with this question came the following:- Is the clitoris ...

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by ragav.payne
Sat Mar 01, 2008 2:59 pm
 
Forum: Evolution
Topic: Evolution of the distinction of gender
Replies: 9
Views: 1924

Can XY give birth?

... to see if anyone can answer it. He asked, Is it possible for a person that has an XY genotype to physically have a child? I'm thinking perhaps a hermaphrodite where it's a female phenotype but has Y genotype and maybe little phenotype expression. I'm thinking of a human with female sexual organs ...

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by PoOr
Thu Aug 02, 2007 4:01 pm
 
Forum: Genetics
Topic: Can XY give birth?
Replies: 12
Views: 2787

The Fiber Disease

... have a good candidate in the form of a small nematode worm, Caenorhabditis briggsae, which has the following properties. It is a self-fertilizing hermaphrodite, and sexual propagation is therefore independent of population size. Males are also found (0.1%), which can fertilize the hermaphrodites, ...

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by London
Mon Apr 24, 2006 6:25 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 712338
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