a homozygous dominant birth contains only dominant fluoride
dominant_gene is gene. homo_erectus is genus_homo. homo_heidelbergensis is primitive. genus_coleus is asterid_dicot_genus. eragrostis is monocot_genus. stannous_fluoride is fluoride. hydrogen_fluoride is fluoride. homo_erectus is homo. sugarcane is gramineous_plant. sodium_fluoride is white.