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Date Posted: Thu, Sep 20, 06:47:43am CST
Author: rshaw
Author Host/IP: NoHost / 199.90.35.10
Subject: Re: Merelikins, Swerles, and Pie Balds ????
In reply to: perry 's message, "Re: Merelikins, Swerles, and Pie Balds ????" on Thu, Sep 20, 04:02:32am 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.
>h
>>t
>>>m
>>>>l
>>>>>">http://bowlingsite.mcf.com/Genetics/ColorGen.html
><
>>/
>>>a
>>>>>
>>>>
>>>>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
>>>
>>> >>>href="http://www.gi.alaska.edu/ScienceForum/ASF8/846.
>h
>>t
>>>ml">http://www.gi.alaska.edu/ScienceForum/ASF8/846.ht
>m
>>l
>>>
>>>
>>>Ramie
>> GREAT !!! now, we are thinking. In the beginning;Gen.
>>1:24 Then God said, "Let the earth bring forth the
>>living creature according to its kind:......25....and
>>God saw that it WAS good." I beleive that. I also
>>beleive there are some things we will never copletley
>>figure out; Isaiah 55:8 "For My thoughts are not your
>>thoughts, Nor are your ways My ways" says the Lord.
>>"For as the heavens are higherthan the earth, So are
>>My ways higher than your ways, and My thoughts than
>>yours".
>> Thru the years scientist learn that what they once
>>thought , was wrong, and come up with new ideas, only
>>to later learn, again, wrong. It seemed correct at
>>that time.We just need to put all this in perspective,
>>and keep learning!
>> James1:19 "So then, my beloved brethren,let every man
>>be SWIFT to hear, SLOW to speak[type!],and SLOW to
>>wrath." Rex
>
>
>This is a question for some of you fellas studying the
>genetic color phases. Is it possible for a black
>female to throw a double merle??

Yes and No…. Leopard Gene for Coat color has to be on Multiple Loci and is a lot more complex that what I am about to try explain. If the Black female would have to carry Mm (merle) but be on the recessive relationship of the multiple loci. In other words she carried the gene you just can’t see it….She could then produce pups with MM (double merle). If she carried mm(non merle) then no she couldn’t have any pups that was MM (double merle). Now please take in a count the sire genes has to be at least Mm (merle) for this to work out. If he only carried mm(non-merle)there would be 75% mm to 25% Mm and no MM.


Ramie

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