Re: [Re: [Re: Feathered topics.]]

[archosaur@usa.net]

dbensen <dbensen@gotnet.net> wrote:
> >> Ask anyone who has ever raised barnyard chickens.
> 
> Check with an ornithologist for information on what types of birds and
> under what conditions.  Keep in mind that with birds, it is the female
> (not the male) that is heterozygous for the sex chromosomes.<<
> 
> Really?  I did not know that.  I had only heard of fishes and frogs changing
sex
> (and assumed that other vertibrates could not because of the massive
physical
> overhaul required, so to speak).  It seems that birds do it, bees do it,
even
> educated fleas do it, so Chrichton didn't have an excuse.
> 
> Dan
+++++++++++++++++++++++++++++++++++

Well kinda. I don't know of any bird or reptile that can actually change its
sex. They're just capable of giving fertile birth without the aid of a male
from time to time.

Jura

Jurassosaurus's Reptipage: A page devoted to the study of the reptilia:

http://reptilis.webjump.com

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