Two unifactorial characters for which man is polymorphic.
D001826:Body Fluids; D008697:Methane / Q000031:analogs & derivatives; D013438:Sulfhydryl Compounds / Q000652:urine*; D014675:Vegetables
D013438:Sulfhydryl Compounds; D008697:Methane
METHANE/related compounds; SULFHYDRYL COMPOUNDS/in urine; VEGETABLES