The same study then conducted a genome scan using 382 autosomal and 18 X-chromosomal markers at an average spacing of 9.1 cM on a subset of the twins, Using linkage analysis, a microsatellite marker on chromosome 15q (D15S1002) was identified that was <1 cM telomeric of the OCA2 gene with a statistical lod of 19.2, which is highly significant.
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What colour are your eyes? Teaching the genetics of eye colour & colour vision. Edridge Green Lecture RCOphth Annual Congress Glasgow May 2019.
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