tokens: In a large pedigree with autosomal dominant aniridia , we found close linkage between the aniridia locus AN2 and the markers catalase ( CAT ) ( zeta = 7 . 27 at theta = 0 . 00 ) and D11S151 ( zeta = 3 . 86 at theta = 0 . 10 ) flanking the AN2 locus on 11p13 .