Pattern Whites

We have spent much time and effort in supplying information regarding Lethal Whites, mostly from whatever resources available.  We are extremely excited to be able to present detailed information regarding Pattern Whites in hopes to lessen any confusion in distinguishing between the two...thanks to a very caring and generous breeder (Sue).

Sue has supplied us with information and pictures.  This particular puppy Yoda (call name) was a result of Red Merle (mom) and a Black Tri (dad).  This breeding produced a litter of 9, Yoda being the only Pattern White.

The following is a photo progress of Yoda (she looked like Yoda at birth) aka Sapphire's Bright Angel (pending).  The first pic was at 4 days, the second at 2 1/2 weeks, the third was at 6 1/2 weeks and the last one is at 10 1/2 weeks.  Please click on photo for enlargement.

The most important difference between a Pattern White and a Lethal White is GENETIC.  A Pattern White cannot have the double merle gene.  They will not have fading merle patterns to the white, instead will have a normal merle body coat with either splashes of white on the body or extra white on the head.  A Pattern White is like a pinto horse that has random color but normal genetics.  The white is caused by the Irish Spotting gene.  A Lethal White is caused by having 2 dominant incomplete color genes, the merling gene.

Generally, there are minimal, if any sight or hearing problems with the Patterns, but occasionally there is enough of a pigment loss to cause complete deafness or vision problems.

As always, the best way to know whether a dog is a Lethal or Pattern White is to know the history or have the papers.

Below is a picture of O'rion's Dun 'N' Suede (mom) and Yoda (Sapphire's Bright Angel) (pending) click on pic for enlargement

We would like to thank Sue for sharing this vital information with us and giving her permission to post, along with these great pictures, so that others may learn to correctly distinguish the difference between Lethal Whites and Pattern Whites.

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