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Wiley InterScience | |||||||||||
  Clinical GeneticsVolume 56 Issue 1, Pages 82 - 85 Published Online: 24 Dec 2001 © 2010 John Wiley & Sons A/S
Abstract | References | Full Text: HTML, PDF (Size: 247K) | Related Articles | Citation Tracking  A locus for autosomal recessive achromatopsia on human chromosome 8q Copyright Munksgaard 1999 KEYWORDS Achromatopsia • gene locus ABSTRACTAutosomal recessive achromatopsia is a rare disorder characterized by total absent color vision, nystagmus, photophobia, and visual impairment, frequently leading to 'legal blindness'. The primary defect is at the photoreceptor level, with retinal cones being absent or defective. The first locus for this disorder was mapped to chromosome 2q11. Here, we confirm the genetic mapping of a locus discovered in our studies of a kindred with Irish ancestry, but no known consanguinity, in which 5 of 12 children are affected. We have mapped the locus in this disorder in this family to chromosome 8q. Available data now narrow the region containing the putative gene to 1.2 cM. Received 2 December 1998 | 
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