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Vision Res. 1998 Nov;38(21):3371-6.

Relating color discrimination to photopigment genes in deutan observers.

Author information

1
Visual Sciences Center, University of Chicago, IL 60637, USA. shevell@uchicago.edu

Abstract

Deutan observers are a heterogeneous group, varying nearly continuously from deuteranomalous trichromats with fine chromatic discrimination in the red/green range to deuteranopes who have none. We sought to relate chromatic discriminative ability among deutans measured psychophysically (phenotypes) to observers' separation between long-wave visual pigments inferred from visual pigment genes (genotypes). If middle-wave pigment genes are assumed not to be expressed in these deutan observers there is a clear relation between phenotype and genotype.

PMID:
9893851
DOI:
10.1016/s0042-6989(97)00434-3
[Indexed for MEDLINE]
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