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Date Posted: Tue, Sep 18, 11:21:49am CST
Author: rshaw
Author Host/IP: NoHost / 199.90.35.10
Subject: Re: Merelikins, Swerles, and Pie Balds ????
In reply to: Dan McD. 's message, "Re: Merelikins, Swerles, and Pie Balds ????" on Tue, Sep 18, 09:44:01am CST

>>>>> What in the world are those? Just three of many
>>>color
>>>>>patterns that can appear in breeds with merle and
>>>>>brindle genes. Some breeds do not allow mating dog
>>>>>with merle to a female with brindle, or solid
>blacks
>>>>>and blues to tan trims ,or fawns to any of
>>>>>above.Reason being,each mating compounds the
>>factors.
>>>>>genetic modifiers can have either positive or
>>>>>negitive, and to various degrees. I'm sure many
>have
>>>>>seen a white deer with spots, Pie bald, or mulatto?
>>A
>>>>>"Merlikin", or properly, a Merlequin, has genes
>from
>>>>>both merle and Harliquin. "Swerles" are merle and
>>>>>brindle with modified color gene, often called a
>>>>>"Camo". Very few of these are seen in our present
>>day
>>>>>Leopards but I asure you they can evenyually get
>>>>>there. I've old photos of Plott Curs manys years
>>>back,
>>>>>showing them.Seen it in Julys. Great Danes had them
>>>>>real bad and then prohibited crossing different
>>>>>patterns. The July breeders bred for ability only
>>and
>>>>>this crazy patterns persisted. Catahoulas have
>>>>>this..Five genetic modifiers that produce white,
>>>other
>>>>>than outside influence. Me thinks we know very,
>>very
>>>>>little about the color "Leopard" ! There are some
>>>>>informing articles on this subject, I've studied
>>>them,
>>>>>only to conclude it was way over my head,,,.Color
>is
>>>>>only ONE of fourteen traits in a treedog. Rex
>>>>
>>>>I've read a few of the more common books on
>genetics,
>>>>none of which I have commited to memory for
>certain.
>>>>I got one from Jed Prendergast last year and it was
>>>>the most easy and informative of all that I have
>>>>looked at. It's title is GENETICS by Jackie
>>Isabell.
>>>>In short it states that the locus M allele is, "The
>>>>most complex of all pairs (Mm)...The m allele is an
>>>>excellent example of pleiotropy--the phenomenon of a
>>>>single allele causing a number of distinct and
>>>>seemingly unrelated phenotiypic effects. Even when
>>>>heterozygous, the M allele is associated qith some
>>>>deafness ans well as occasional wall eyes...When
>>>>homozygous the dogs usually have samll eyes with
>blue
>>>>or partly blue irises, and they often have impaired
>>>>hearing and fertility." Merle coloring is very hard
>>>>on my head. I wish I had a buddy who knew more
>about
>>>>it. I think I'm going to have to call the
>>university.
>>>>
>>>>Rex I really enjoy your post I learn from them and
>>>they make me think some to.You know me thinking is
>bad
>>>lol.
>>
>>Here is a lengthy article on Canine Color Genetics
>>
>>Ramie
>>
>> >>href="http://bowlingsite.mcf.com/Genetics/ColorGen.htm
>l
>>">http://bowlingsite.mcf.com/Genetics/ColorGen.html >>
>
>Good article, all in one spot. Hard to absorb in one
>sitting...kind of like Thanksgiving:). Takes about a
>week to eat everything you've cooked.


It is I have to read it about 10 times LOL....

Here is another....

Ringstreaked, Speckled, and Spotted

http://www.gi.alaska.edu/ScienceForum/ASF8/846.html

Ramie

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