Placental alkaline phosphatase and ABO system polymorphisms: analysis of relationships among gene frequencies in human populations. Further evidence at the population level for an interaction between the two polymorphisms

MeSH terms

• ABO Blood-Group System*
• Alkaline Phosphatase / blood*
• Alleles
• Blood Group Incompatibility
• Female
• Gene Frequency*
• Humans
• Infant, Newborn
• Male
• Phenotype
• Placenta / enzymology*
• Polymorphism, Genetic*
• Pregnancy