|Preserving The Purest
In Existence Today
|Color Genetics 2
|The patterns of white hairs and patches do not interact as do the color factors.
Instead, each is independent and as a result they can occur in any and all
|Paint or Pinto spotting is characterized as nonsymmetrical white areas on the
body of the horse. Several distinct patterns are characteristic of this group.
and vertical white spots on the
body that cross the topline
somewhere eyes are usually dark
|Several different white spotting patterns exist in horses, but so far only that of tobiano has been clearly shown
to be conditioned by a single gene.
occur with any coat color. The pattern is present at birth and stable throughout life.
In general, white extends from the neck crest, withers on top of the croup in an apparent top-to-bottom distribution
on the body. The white areas may merge to form an extensive white pattern of generally smooth outline.
The legs are white, but the head is usually dark except for a facial marking pattern.
|Patterns Of White Hairs
May well be polygenic and
causes spots that are usually
flecked and roaned. Usually the
head is largely white, as well.
|little as a couple of low stockings and a star; in white.
These snow-white foals are sometimes white. These
snow-white foals are sometimes mistaken as being "living
lethal whites," but it's easy to tell the difference:
pure-white sabinos are healthy but lethal white foals will
die within two-three days of being born.
|White (WW ) is a dominant gene that is
lethal to homozygous embryos.
True white horses are white with pink skin
and dark eyes. Some have hair, but most
|some of these genes.
The Medicine Hat pattern is one of
these, and the horses are largely white,
with color remaining on the ears, tail
base, chest, and ears and very little else.
|The roan pattern changes:
Frosty is similar to roan, only the mane and
tail are also roaned.
|well as blue eyes, and usually leaves the feet colored.
|Overo Pattern pintos are much less common than tobianos, and the reason lies in the nature of the spotting pattern.
In patterns are actually dominent like tobiano. Why is it then, that tobianos seem to outnumber overos? For the
simple reason that minimally-marked tobianos are almost always easily recognizable as a tobiano, whereas
minimally-marked overos merely look like a solid horse! Although it doesn't seem like it, overos probably number
about the same as tobianos, except that many of them don't express their pattern very loudly.
Another point worth mentioning is that many overos actually express a mixture of two or even all three types of overo
genes. The fact is that many paints are a mixed jumble of overo. This can make it quite difficult to exactly identify a
|White face and leg marks occur in most breeds. These are controlled by many, many individual genes all contributing a
|small spot on coronary band of hoof half
|narrow connected star, strip, snip
|small, thin, below level of nostrils on top
of nose or upper lip
|bald face extending along jaw to throat
|small, thin, up on top of nasal bones
|white up to bottom of fetlock joint, fetlock
white including fetlock joint, sock white up
to half of cannon bone, 3/4 stocking white
3/4 up cannon bone