| 41. | Brown eumelanin is more common among Europeans, while black eumelanin is more often found in the hair on non-Europeans.
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| 42. | Brown eumelanin is more common among Europeans, while black eumelanin is more often found in the hair on non-Europeans.
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| 43. | A low concentration of brown eumelanin results in blond hair, whereas a higher concentration of brown eumelanin results in brown hair.
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| 44. | A low concentration of brown eumelanin results in blond hair, whereas a higher concentration of brown eumelanin results in brown hair.
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| 45. | In many mammals, variation in the level of ASP switches melanocytes between eumelanin and phaeomelanin production, resulting in coloured patterns.
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| 46. | Brown Eumelanin imparts a brown or yellow color, black Eumelanin imparts a black color, and Pheomelanin imparts a red color.
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| 47. | Brown Eumelanin imparts a brown or yellow color, black Eumelanin imparts a black color, and Pheomelanin imparts a red color.
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| 48. | A second black or nearly all black adult phenotype but with little eumelanin in the shanks and beak, has been described.
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| 49. | The skins, pigmented with dark-coloured eumelanin, reveal that both leatherback turtles and mosasaurs had dark backs and light bellies.
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| 50. | There are two types of eumelanin brown eumelanin and black eumelanin which chemically differ from each other in their pattern of polymeric bonds.
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