Delta-aminolevulinate dehydrase (ALAD) polymorphism in mixed Brazilians from the State of Bahia.
作者信息
Sousa M G, Silva M C, Duarte A F, Azevêdo E S
机构信息
Hospital Universitário Prof. Edgard Santos, Departamento de Medicina Preventiva, Universidade Federal de Bahia, Brazil.
出版信息
Gene Geogr. 1991 Apr-Aug;5(1-2):33-7.
PMID:1820152
Abstract
Electrophoretic polymorphism of delta-aminolevulinate dehydrase (ALAD) was studied on 519 individuals from Bahia, Brazil. Subjective assessment of Black ancestries carried out in a five point visual scale (White, Light Mulatto, Medium Mulatto, Dark Mulatto and Black) allowed to show that the ALAD*2 allele frequency decreases from 8% in Whites to 0% in Blacks. These findings agree with previous reports of ALAD in Africans, American Indians and Spanish. The powerful peculiarity of the ALAD system in assessing racial admixture is stressed.
摘要
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