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. 1994 Feb;6(2):210-3.
doi: 10.1038/ng0294-210.

Genetic linkage of cone-rod retinal dystrophy to chromosome 19q and evidence for segregation distortion

K Evans  1 , A Fryer, C Inglehearn, J Duvall-Young, J L Whittaker, C Y Gregory, R Butler, N Ebenezer, D M Hunt, S Bhattacharya
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Genetic linkage of cone-rod retinal dystrophy to chromosome 19q and evidence for segregation distortion

K Evans et al. Nat Genet. 1994 Feb.

Abstract

Inherited retinal dystrophies are the most common cause of childhood blindness in the developed world. Cone-rod retinal dystrophies are severe examples of this group of disorders. Analysis of a large cone-rod dystrophy pedigree suggested that inheritance within the family was influenced by meiotic drive (p = 0.008), a rare segregation distortion in human genetics. Two-point linkage analysis showed significant linkage with three markers mapping to chromosome 19q. Multipoint analysis gave a maximum lod score of 10.08 (theta = 0.05) distal to D19S47. Cone-rod dystrophy is therefore assigned to 19q13.1-q13.2 and a new candidate locus for other retinal dystrophies is identified.

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