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RESEARCH PRODUCT

Placental alkaline phosphatase types in Germany

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description

The phenotypes of placental alkaline phosphatase were determined in a sample of 231 Germans and 109 non-Germans. The observed gene frequencies of the German sample were \({\text{Pl}}^{{\text{S}}_{\text{1}} } {\text{ = 0}}{\text{.654}}\), \({\text{Pl}}^{{\text{F}}_{\text{1}} } {\text{ = 0}}{\text{.247}}\), and \({\text{Pl}}^{{\text{I}}_{\text{1}} } {\text{ = 0}}{\text{.097}}\). No association could be found with placental weight. Lower birth weight was correlated with an increase of the \({\text{Pl}}^{{\text{I}}_{\text{1}} } \) gene frequency.