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Vazzza
Yearling
United Kingdom
131 Posts |
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Blackecho
Royal Python Admin
United Kingdom
11327 Posts |
 Posted - 26/08/2009 : 16:10:11
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| Have you read the sticky at the top of this forum? |
 
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Vazzza
Yearling
United Kingdom
131 Posts |
Posted - 26/08/2009 : 17:08:47
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| Yeah, but the one thing i really didn't understand about the sticky at the top was the Loci. 12 loci (with a set of 2 genes on each), so a snake can have 22 normal genes and 2 pastel, how can those 2 genes override the other 22? |
0.0.1 Royal Python
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matty18714
Royal Python Moderator
United Kingdom
2016 Posts |
Posted - 26/08/2009 : 17:23:12
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| Because Pastel is a Dominant Gene, the normal gene is reccesive. |
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Blackecho
Royal Python Admin
United Kingdom
11327 Posts |
Posted - 26/08/2009 : 18:03:27
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There are millions of Loci, each holding different parts of the genetic make up. Some loci will determine behaviour, some eating, some eyesight, some tongue length, some skin colour etc.
One Locus will hold the question, 'Am I Pastel or not?' At that locus there are two genes, if they are both normal the answer is 'no', if one of those genes is Pastel the answer is 'yes' because Pastel is Co-Dominant, if they are both Pastel, the answer is 'YES, YES'. |
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Blackecho
Royal Python Admin
United Kingdom
11327 Posts |
Posted - 26/08/2009 : 18:03:46
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quote:
Originally posted by matty18714
Because Pastel is a Dominant Gene, the normal gene is reccesive.
Co-Dom anyway. |
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Vazzza
Yearling
United Kingdom
131 Posts |
Posted - 27/08/2009 : 09:29:50
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I see, so only 1 point on teh string actually determines appearence. All is becoming clear(er) 
Cheers! |
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0.0.1 Sister |
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Genetics, my head hurts!
