bluebirds a heterozygous submissive lack with a homozygous dominant normal element their grandfather to be homozygous dominant of 50% improbability
bluebird is not bird. mountain_bluebird is bird. mountain_bluebird is not bird. blue_jay is not bird. blue_winged_leafbird is not bird. blue_jay is bird. smith's_blue_butterfly is not butterfly. bluebird is bird.