Sentences with word «phaeomelanin»

«E», normal extension of black, allows the A-series alleles to show through, and «e», recessive red / yellow, overrides whatever gene is present at the A locus to produce a dog which shows only phaeomelanin pigment in the coat.
a coat colour that is typically the result of phaeomelanin pigmentation, however in some breeds such as Doberman Pinschers brown is called red; reminiscent of reddish woods such as cherry or mahogany; also tawny, chestnut, orange, rusty, and red - gold
The various shades of brown, tan, red, and cream depend on the concentration of phaeomelanin in the hair shafts, the shape of the crystals, and other factors.
a coat colour that is typically brown but is occasionally used to describe a shade of orange or phaeomelanin pigmentation; a reddish brown somewhat the colour of cinnamon or bronze; the breed often determines whether «liver», «chocolate», «brown», or «red» is used to describe the colour, as in a liver German Shorthaired Pointer or a chocolate Labrador Retriever.
Some variants appear then to result in the production of phaeomelanin predominantly, with resultant red hair, freckles and sun sensitivity.
The yellowish coat golden retrievers are known for is caused by phaeomelanin, a pigment that creates coat colors ranging from red to cream depending on other genes that alter its intensity.
The second pigment, which varies from pale cream through shades of yellow, tan, and orange / red is called phaeomelanin.
Therefore, the M variant of PMEL typically affects only eumelanin pigmented areas and not phaeomelanin (yellow / red) pigmented areas.
Genes control the intensity of phaeomelanin making the color stronger or weaker.
Phaeomelanin creates reds that range from deep red (Irish Setter) to orange, cream, gold, yellow or tan.
This mutation affects both eumelanin and phaeomelanin pigments, so black, brown and yellow dogs are all affected by the dilution.
Phaeomelanin in people is responsible for freckles!
Variants in the gene appear to result in differing proportions of the black pigment eumelanin, and the redder pigment phaeomelanin, being produced.
A mutation in the MC1R gene causes the pigment - producing cells to only produce phaeomelanin, turning all eumelanin in the coat to phaeomelanin.
White Miniature Schnauzers do not possess the «d» allele, which is commonly known as the Dilution gene responsible for diluting both eumelanin and phaeomelanin pigment.
The superscript «y» is used to indicate that it allows the phaeomelanin yellow pigment to be expressed in the phenotype — in the tan parts of the two - color coat.
Despite the huge variety in coat color, there are only two basic pigments that determine the color of canines: eumelanin (black) and phaeomelanin (red).
Phaeomelanin is the second pigment that determines canine coat color.
All of them act on the pathways that produce the two major pigments, phaeomelanin and eumelanin, or affect the distribution of those pigments.
This gene variant modifies the expression of the pigments, eumelanin and phaeomelanin in the hair.
A great many Rat Terriers exhibit both forms of melanin (Eumelanin and Phaeomelanin) in their coat and skin.
Even truer, for eumelanin (dark or black pigment) and phaeomelanin (yellow pigment) are the only chemically differentiated forms of melanin, the coat's color substance.
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