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25-12-2007, 11:27 PM
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spider royal is a co-dom nt a dom gene
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will be at doncaster breeders meeting in september defrost feeding royal python baby common boas baby carpet pythons blue tailed monitor ausi water python painted dragons daniel bogtrotter_89@hotmail.co.uk 
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26-12-2007, 12:18 AM
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As far as I know, spider is not proven anything but not recessive. By that test, spider is some kind of dominant mutant gene. But in my opinion, whether it's a full dominant or not is still up in the air.
The vast majority of spiders have a spider mutant gene paired with a normal gene (heterozygous spider). Some people have mated spider to spider to try for the homozygous spider (pair of spider mutant genes), but as far as I know, nobody has reported a homozygous spider by breeding test. A homozygous spider may look like a heterozygous spider. Or a homozygous spider may die as a very young embryo, so the egg looks like a slug. Or nobody wants to do the necessary testing. Or something else may be going on. Your guess is as good as mine. Hope this helps.
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26-12-2007, 12:42 AM
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spider is co dom, but there is a dom form that looks exactly the same as a co dom,
the difference is, if you breed a spider to a normal you will get maybe 4 out of 6 eggs spiders, but if it is a dom spider you will get all spiders, however, people can't sell them as dominant spiders, because as babys they are the same looking etc, so a breeder would have to breed the spider to a normal and see, but that would take years so is sold as spider i know a few big breeders and thats what i have been told, also i have seen the eggs from many normal spiders to normals and gat normals in the clutch, proving that it can't be dominant
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New online rep shop opening within the next few months, (food, dry goods, and livestock).  couple of hundred various reptiles
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