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skin/hair/eye pigmentation variability (SHEP)
Epidemiology:
- hair, eye & skin pigmentation are among the most visible examples of human phenotypic variation, with a broad normal range subject to substantial geographic stratification
- in the case of skin, individuals tend to have lighter pigmentation with increasing distance from the equator
- by contrast, the majority of variation in human eye & hair color is found among individuals of European ancestry, with most other human populations fixed for brown eyes & black hair
Genetics:
- type 1 associated with variations in OCA2
- type 2 associated with variations in MC1R
- type 5 associated with variations in SLC45A2
- type 5 associated with variations in SLC24A4
- type 7 associated with variations in KITLG [4]
- type 9 associated with variations in ASIP [5]
General
genetic polymorphism
Database Correlations
OMIM correlations
References
- OMIM :accession 227220
- OMIM :accession 227240
- OMIM :accession 266300
- OMIM :accession 611664
- OMIM :accession 611742
- OMIM :accession 210750