22-12-2006, 06:07
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#1
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Inactive
Join Date: Jun 2003
Location: Milling around Milton Keynes
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Posts: 12,969
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Mary was a giant lizard?
Female Komodo dragons have been shown to be able to reproduce through parthenogenesis (asexual reproduction, basically virgin births, or layings).
I find the chromosomes to be interesting, they have W and Z rather than our X and Y, and the male has ZZ while the female is WZ.
So she's able to use her genetic material to produce ZZ offspring asexually (WW results are unsustainable) so can only make males, resulting in offspring she can then mate sexually with to produce both male and females.
Handy if she were ever to be washed up on a deserted island.
http://news.bbc.co.uk/1/hi/sci/tech/6196225.stm
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22-12-2006, 07:36
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#2
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Inactive
Join Date: Jul 2003
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Re: Mary was a giant lizard?
Quote:
Originally Posted by Xaccers
resulting in offspring she can then mate sexually with to produce both male and females.
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How weird does that sound, put a human in a lizard's place for instance, I realise there's a reproduce or die situation for nature, it's all very clever mind you.
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22-12-2006, 08:36
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#3
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Inactive
Join Date: Nov 2003
Location: Leeds - the dog house
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Re: Mary was a giant lizard?
Our females would never do it - we'd die out.
"Spend 9 months up the duff, no man to blame, and then end up with a man who needs looking after for 18 years? Forget it. Where's the chocolate"
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22-12-2006, 09:16
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#4
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Inactive
Join Date: Jun 2003
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Re: Mary was a giant lizard?
I hope the title of this thread doesn't start another faith debate !
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22-12-2006, 09:51
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#5
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Guest
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Re: Mary was a giant lizard?
Quote:
Originally Posted by skyblueheroes
I hope the title of this thread doesn't start another faith debate !
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Quite possibly... offensive!
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22-12-2006, 10:36
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#6
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laeva recumbens anguis
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Re: Mary was a giant lizard?
I thought she had a little lamb?
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22-12-2006, 12:31
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#7
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Inactive
Join Date: Jun 2003
Location: Milling around Milton Keynes
Age: 49
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Re: Mary was a giant lizard?
Quote:
Originally Posted by greencreeper
Our females would never do it - we'd die out.
"Spend 9 months up the duff, no man to blame, and then end up with a man who needs looking after for 18 years? Forget it. Where's the chocolate"
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That's just it, unlike komodos, for something similar to happen men would be the ones getting pregnant, and only able to produce boys.
It's all down to the chromosomes.
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