Sentences with phrase «phaeomelanin pigment»

«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.
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.
This mutation affects both eumelanin and phaeomelanin pigments, so black, brown and yellow dogs are all affected by the dilution.

Not exact matches

The second pigment, which varies from pale cream through shades of yellow, tan, and orange / red is called phaeomelanin.
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.
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.
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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