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Specialty. Ophthalmology. Dichromacy (from Greek di, meaning "two" and chromo, meaning "color") is the state of having two types of functioning photoreceptors, called cone cells, in the eyes. Organisms with dichromacy are called dichromats. Dichromats require only two primary colors to be able to represent their visible gamut.
Dog coat genetics. Dogs have a wide range of coat colors, patterns, textures and lengths. [ 1] Dog coat color is governed by how genes are passed from dogs to their puppies and how those genes are expressed in each dog. Dogs have about 19,000 genes in their genome [ 2] but only a handful affect the physical variations in their coats.
Merle (dog coat) Merle is a genetic pattern in a dog 's coat and alleles of the PMEL gene. It results in different colors and patterns and can affect any coats. The allele creates mottled patches of color in a solid or piebald coat, blue or odd-colored eyes, and can affect skin pigment as well. Two types of colored patches generally appear in a ...
The post ‘Puppy-Dog Eyes’ Didn’t Evolve Just for Humans, Study Shows appeared first on DogTime. Pet parents would agree that it is hard to resist puppy-dog eyes. A recent study proved that ...
The coat of the domestic dog refers to the hair that covers its body. Dogs demonstrate a wide range of coat colors, patterns, textures, and lengths. As with other mammals, a dog's fur has many uses, including thermoregulation and protection from cuts or scratches; furthermore, a dog's coat plays an important role in the showing of purebred dogs.
It’s not just carrots, eating grapes is good for your eyes as well, a new study reveals. Just a couple of handfuls of grapes a day for four months was shown to improve key markers of eye health.
In fact, many hedgehog owners will attest that it's even easier than raising cats or dogs! But low-maintenance doesn't mean hands-off, and pet hedgehogs still deserve a high standard of care; it's ...
Lethal white syndrome ( LWS ), also called overo lethal white syndrome ( OLWS ), lethal white overo ( LWO ), and overo lethal white foal syndrome ( OLWFS ), is an autosomal genetic disorder most prevalent in the American Paint Horse. Affected foals are born after the full 11-month gestation and externally appear normal, though they have all ...