The cosegregation of the 3-bp deletion (AAT^1030-1032) in the A-subunit gene and the (AAAG)_n STR alleles in the Thai family. The photograph shows the electrophoretic separation of the (AAAG)_n PCR products from each family member. Repeat alleles have been numbered 1 and 2 exclusively in this family and do not relate to the number of repeats. The symbols for male (□) and female (○) are hatched according to the mutation alleles present.