double nationality
1.Gene analysis of a family of Buyi nationality with β-thalassemia in Xinjiang was carried out by polymerase chain reaction(PCR) in combination with dot-blot hybridization of allele-specific oligonucleotide(ASO) probes. Two of the four family members were identified as the double heterozygotes for -28(A→G)and CD17(A→T)mutation.
