title: Alpha-1-antitrypsin allele PiS fails to show segregation distortion.
mesh_terms: D000483:Alleles; D005787:Gene Frequency; D006579:Heterozygote; D006801:Humans; D008297:Male; D010641:Phenotype; D011110:Polymorphism, Genetic; D012641:Selection, Genetic; D000515:alpha 1-Antitrypsin / Q000235:genetics*
chemical_list: D000515:alpha 1-Antitrypsin