ANALYSIS OF MAJOR EYE AND HATR COLOR GENES: AN ORIGIN FOR SCIENCE-BASED PHYSICAL CHARACTERISTICS
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Authors
Black, Tonya L.
Issue Date
2005
Type
Thesis
Language
en
Keywords
Alternative Title
Abstract
Eye and hair color are genetically complex traits that are predominantly determined by the amount, type, and packaging of melanin. This research was conducted to investigate the relationship between genes to determine eye and hair color in order to provide a more science-based physical profile in forensic investigations. The genes EYCL1, EYCL3, P-gene, RHC, HCL3, cand MC1R were analyzed to determine eye and hair color. The genotype-phenotype relations of these genes are reviewed and methods used to examine certain phenotypes of pigmentation are provided. According to the collected research the genes listed above are not enough to give a positive eye and hair color determination, but are statistically shown (P-gene and MC1R gene) to be appropriate starting places for hue determination when trace evidence is available.