Jk(a-b-) phenotype does exist in Caucasians.
D001789:Blood Group Antigens / Q000235:genetics*; D005260:Female; D005602:France; D006801:Humans; D007667:Kidd Blood-Group System / Q000235:genetics*; D008297:Male; D010641:Phenotype; D044465:White People
D001789:Blood Group Antigens; D007667:Kidd Blood-Group System