Sentences with phrase «piebald gene»

The coloring of the Parti Yorkie is due to the recessive piebald gene.
At least 8 - 10 % of Dalmatians are bilaterally deaf due to the piebald gene, found in white background - coated dogs.
There are no documented cases currently of the piebald gene in OEB causing deafness.
The piebald gene is also linked to congenital deafness in some breeds.
The piebald gene regulates the merle gene - so while they are related, this does not mean that all Catahoulas actually have the piebald mutation.
It is apparent that Irish spotting may be produced in double merle without the presence of the piebald gene.
DNA testing for the presence of double merle and / or piebald genes is the only means of positive identification.
In an independent study for the presence of the piebald gene, double merle dogs displaying Irish spotting where chosen from four unrelated kennels.
One of the lines showed positive as a carrier of the piebald gene.
Dogs carrying both double merle and piebald genes have a greater propensity for producing deafness in their offspring.
Recent studies have shown that deafness in Dobermans, which do not carry the merle or piebald genes, results from direct loss of cochlear hair cells without any effects on the stria vascularis.
Two pigmentation genes in particular are often associated with deafness in dogs: the merle gene (seen in the collie, Shetland Sheepdog, Dappled Dachshund, Harlequin Great Dane, American Foxhound, Old English Sheepdog, and Norwegian Dunkerhound among others) and the piebald gene (Bull Terrier, Samoyed, Greyhound, Great Pyrenees, Sealyham Terrier, Beagle, Bulldog, Dalmatian, English Setter).
A blue iris does not absolutely indicate the presence of the Merle gene; it may also be expressed in dogs carrying the piebald gene, such as the Dalmatian.
If a puppy is for sale as a parti gene carrier and it isn't from the type of breeding listed above, the puppy will have genetic testing done for the piebald gene, to prove it is a parti gene carrier.
To produce parti yorkie puppies, both the dam and the sire, MUST carry the piebald gene.
The coloration of the Turkish Van, which is considered by many to be the original breed to carry the piebald gene, calls for a white, semi-longhaired cat with colored markings restricted primarily to the head and tail.
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