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 Help understanding genetics..
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Lucy1012
Hatchling

United Kingdom
127 Posts

Posted - 30/04/2011 :  20:52:34  Show Profile  Reply with Quote
I am not considering breeding, but i do find the genetics behind the morphs quite interesting, but somewhat confusing.

I understand (or at least I think i do) that the 'wild' gene is dominant. I have had a look at the morph calculator thing associated with Ian's vivarium and it confused me. If for instance I had an Amel female and a Caramel Male, the calculator said it would produce 100% normal het amel caramel's but on a list on the same website stated this pairing would produce butters...

can anyone give me a quick basic crash course...

thanks


0.0.1 Amel Corn CB10 Luna
1.0.0 Orchid Corn CB08 Mizuki
0.1.0 Hypo Corn CB10 Hala
0.1.0 Normal het lav CB09 Neona
1.2.0 Normal Royals, Jericho, Eclipse and Monday

and various other critters including, 2 dogs, 2 cats, a hamster, a gerbil, 3 fish, 1 husband and 3 daughters :-)

gmac
The Scottish Admin

United Kingdom
5319 Posts

Posted - 30/04/2011 :  20:58:20  Show Profile  Reply with Quote
you cant get butters from pairing amel and caramel. You will get normals het for amel and caramel as it says in the calc. Butters are a double trait morph that is made up of amel and caramel but to produce this morph both parent snakes must have the amel and caramel genes.

Most genes are recessive in corn snakes so to produce visual morphs bot parent snakes must have the same genes present to hatch morphs, if they dont have the same genes the hatchies will be normals.


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SexyBear77
Fully Grown Corn

United Kingdom
3796 Posts

Posted - 30/04/2011 :  21:01:46  Show Profile  Reply with Quote
Basically, in most cases you need each parent to have a copy of a certain gene in order to make a visual morph.

Eg: for butters-

Normal het amel and caramel x Normal het amel and caramel
Amel het caramel x Amel het caramel
Caramel het amel x Caramel het amel
Butter x Butter

If you don't have 2 copies of the same gene then you will end up with a het, a hidden gene, in the offspring.

9.11 Cornsnakes
1.1 Hogg island boas
1.0 Dwarf Burmese python

Location: Watford
Website- http://rassnakes.yolasite.com/
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oakleyman18
Yearling

828 Posts

Posted - 30/04/2011 :  21:17:23  Show Profile  Reply with Quote
Or even Caramel het Amel X Amel het Caramel?



Oscar Morrell
0.1.0. Tessera het Caramel Diffused Hypo ph Amel Anery CB'12 "Cassi", 0.1.0. Diffused Powder CB'12 "Ruby"
0.1.0. Normal Stripe, het Hypo, Amel, Lavender CB'11 "Amber", 1.0.0. Lavender Stripe het Diffused Anery Amel Hypo CB'11 "Pluto"
1.0.0. Hypo Opal Ph Stripe CB'12 "Hops", 1.0.0. Caramel Stripe het Amel CB'08 "Jasper", 1.0.0. Opal Stripe het Anery CB'09 "Topaz"
0.1.0. Amel Stripe het Caramel CB'09 "Poppy", 0.1.0. Tessera het Amel Lavender Stripe ph Diffused Hypo Anery CB'12 "Amethyst"
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Lucy1012
Hatchling

United Kingdom
127 Posts

Posted - 30/04/2011 :  21:18:23  Show Profile  Reply with Quote
aahhh that makes sense i think, so in order to get visual morphs you basically need to know the hets.. and you need 2 copies of the gene to make it visual otherwise you just produce normal hets... ???


0.0.1 Amel Corn CB10 Luna
1.0.0 Orchid Corn CB08 Mizuki
0.1.0 Hypo Corn CB10 Hala
0.1.0 Normal het lav CB09 Neona
1.2.0 Normal Royals, Jericho, Eclipse and Monday

and various other critters including, 2 dogs, 2 cats, a hamster, a gerbil, 3 fish, 1 husband and 3 daughters :-)
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Lucy1012
Hatchling

United Kingdom
127 Posts

Posted - 30/04/2011 :  21:22:08  Show Profile  Reply with Quote
so if you bred an amel to an amel you would get amels, amel to a normal you would get normals, but from a amel to a normal het amel you would produce both amels, and normal het amels...


0.0.1 Amel Corn CB10 Luna
1.0.0 Orchid Corn CB08 Mizuki
0.1.0 Hypo Corn CB10 Hala
0.1.0 Normal het lav CB09 Neona
1.2.0 Normal Royals, Jericho, Eclipse and Monday

and various other critters including, 2 dogs, 2 cats, a hamster, a gerbil, 3 fish, 1 husband and 3 daughters :-)
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eeji
The Morph Master

United Kingdom
4335 Posts

Posted - 01/05/2011 :  00:57:14  Show Profile  Visit eeji's Homepage  Reply with Quote
quote:
Originally posted by Lucy1012

but on a list on the same website stated this pairing would produce butters...



I think the list you're looking at there is the one that lists which base morphs make up the combinations, eg 'Amel + Caramel' together makes the 'Butter' combination.


Forum - Guide to Cornsnake Morphs - Punnett Square Calculator - Breeder Directory
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SexyBear77
Fully Grown Corn

United Kingdom
3796 Posts

Posted - 01/05/2011 :  08:32:52  Show Profile  Reply with Quote
quote:
Originally posted by oakleyman18

Or even Caramel het Amel X Amel het Caramel?



Ha ha yep, I knew there would be one I missed!

9.11 Cornsnakes
1.1 Hogg island boas
1.0 Dwarf Burmese python

Location: Watford
Website- http://rassnakes.yolasite.com/
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