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Waardenburg syndrome is a group of rare genetic conditions characterised by at least some degree of congenital hearing loss and pigmentation deficiencies, which can include bright blue eyes (or one blue eye and one brown eye ), a white forelock or patches of light skin. These basic features constitute type 2 of the condition; in type 1, there ...
Carotenosis is a benign and reversible medical condition where an excess of dietary carotenoids results in orange discoloration of the outermost skin layer. The discoloration is most easily observed in light-skinned people and may be mistaken for jaundice. [ 1][ 2]: 540 [ 3]: 681 Carotenoids are lipid-soluble compounds that include alpha- and ...
Heterochromia iridum. Heterochromia is a variation in coloration most often used to describe color differences of the iris, but can also be applied to color variation of hair [ 1] or skin. Heterochromia is determined by the production, delivery, and concentration of melanin (a pigment ). It may be inherited, or caused by genetic mosaicism ...
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 ...
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.
View the original article to see embedded media. For Twiglet the mini-Dachshund, a bit of garden digging is not only allowed, it’s actually encouraged. And that’s because the area where he’s ...
In the video, a pair of Golden Retrievers are hanging back behind their owners at what appears to be the Bach Long, or White Dragon glass-bottomed suspension bridge in Vietnam. Though one of the ...
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 ...