melanin: eumelanin and pheomelanin. Generally, the more melanin present, the darker the hair. Its tone depends on the ratio of black or brown eumelanin to yellow...
22 KB (2,434 words) - 22:56, 15 August 2024
the color of the eumelanin pigment produced, making it either black or brown. TYRP1 is an enzyme involved in the synthesis of eumelanin. Each of the known...
82 KB (9,470 words) - 01:12, 19 August 2024
interplay among genes that direct production and expression of two pigments, eumelanin (brown or black pigment) and pheomelanin (yellow to red pigment), in the...
24 KB (3,101 words) - 15:57, 30 March 2024
tyrosinase, producing dopaquinone. Dopaquinone may become eumelanin, or phaeomelanin. Eumelanin, meaning true black, is a dense compound that absorbs most...
14 KB (1,537 words) - 21:02, 20 September 2023
to dark hair. It is characterized by higher levels of the dark pigment eumelanin and lower levels of the pale pigment pheomelanin. Brown hair is common...
16 KB (1,727 words) - 08:09, 6 August 2024
Cat coat genetics (section Eumelanin and phaeomelanin)
involved in the metabolic pathway for eumelanin pigment production. Its dominant form, B, will produce black eumelanin. It has two recessive variants, b (chocolate)...
57 KB (6,375 words) - 09:44, 27 July 2024
C8H7NO2. It is an intermediate in the production of the biological pigment eumelanin. 5,6-Dihydroxyindole is biosynthesized from L-dopachrome in a reaction...
4 KB (268 words) - 15:13, 26 February 2024
dark skin pigmentation have skin naturally rich in melanin (especially eumelanin), and have more melanosomes which provide superior protection against...
74 KB (8,430 words) - 15:57, 22 July 2024
markings above the eyes. Eumelanin and phaeomelanin pigmentation occurs on the same dog; "the back is black from eumelanin pigment being made and the...
9 KB (856 words) - 01:16, 12 April 2023