Serum alkaline phosphatase phenotypes and secretor status in several Jewish populations in Israel

The frequency of serum alkaline phospatase phenotypes and secretor trait is determined for Israeli Jews originating from three distinct geographical regions: Eastern and Central Europe (group I), North Africa (group II) and the Middle East (group III). The frequency of the Pp 2 serum alkaline phosphatase phenotype in each of the three groups were 33.56% (group I), 29.79% (group II) and 24.07% (group III). The average frequency for the three groups combined was 30.58%. The corresponding frequencies of the se gene in the three groups were 0.4765, 0.5149 and 0.5468, respectively, and the average frequency for the total number examined was 0.4978.