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 Post subject: Melanistic kittens
PostPosted: Sat May 28, 2011 11:14 am 
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Asian Leopard Cat

Joined: Mon Jul 27, 2009 11:50 am
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Location: Kent
I wonder if any of the boffins on the genetics front can explain somethng to me.... can two snow parents produced a melanistic kitten? :?


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PostPosted: Sat May 28, 2011 11:58 am 
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Asian Leopard Cat

Joined: Tue Jan 16, 2007 2:47 pm
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Location: UK
The Agouti gene ("A") is the gene that shows up the pattern on a cat, it makes the lighter coloured hairs in the background of the tabby pattern, therefore revealing it.
It is a dominant gene.
The gene of "melanism" as applied to Bengals is the Non - Agouti gene ("a").
If a cat has two copies of the Non-Agouti gene(a) instead of the Agouti (A) gene, it is a self or solid coloured cat. Because the brown spotted Bengal is basically a Black tabby cat, the Non-Agouti cat has a black tabby pattern on a black background so looks like a black cat, ie a solid black cat. This is what many refer to as a "melanistic"

Two snows can only produce snow kittens, but with the addition of the Non- Agouti gene instead of the Agouti the snows then have the colour -pointed Siamese pattern, ie darker solid heads and points.
They may or may not have noticeable spots on the body, but like "melanistic" blacks they would probably fade as the cat develops its adult coat, but I have no experience of them so cannot say that for certain.

The Siamese look for Bengals is not one which Bengal breeders want on the show bench therefore one of the reasons that many breeders do not want to officially accept nor disseminate the Non-Agouti gene.

http://www.acdbengal.com/XenaPWarrior.htm

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PostPosted: Sun May 29, 2011 11:33 am 
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Asian Leopard Cat

Joined: Mon Jul 27, 2009 11:50 am
Posts: 604
Location: Kent
Thanks Elaine, very interesting.

I aksed bacause I saw a solid melanistic kitten advertised, and both parents are supposedly snow, and I have been puzz;ed as to how this is possible,


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PostPosted: Thu Jun 02, 2011 2:58 pm 
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Asian Leopard Cat

Joined: Fri Aug 24, 2007 3:43 pm
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Location: France (Dijon)
As Elaine pointed out, that's not possible. If you look at the link she posted you'll see what a "melanistic snow" looks like ;)

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PostPosted: Thu Jun 02, 2011 11:15 pm 
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Asian Leopard Cat

Joined: Mon Jul 27, 2009 11:50 am
Posts: 604
Location: Kent
I wish I can find the particular freead again, lol, was one of those "we have an extremely rare" kitten ones, only they were trying to say the "rare" bit is because the two snow parents produced a picthblack kitten. :lol:


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PostPosted: Thu Jun 02, 2011 11:24 pm 
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Asian Leopard Cat

Joined: Sat May 23, 2009 11:48 am
Posts: 111
Location: Lincoln
LOL i saw that add too it is on the preloved website !! I too was thinking the same but i also noticed that the "parents" are both in their home as pets it seems to me that the kitten is a black moggy and she is claiming her bengals gave birth to it !

makes me so angry :(

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PostPosted: Fri Jun 03, 2011 12:52 pm 
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Asian Leopard Cat
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Joined: Sun Feb 08, 2009 2:52 am
Posts: 3090
Location: Essex, UK
someone also trying to sell a ragdoll cross siamese....all black kitten!! :roll:

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