形質けいしつ Noun English jmdict 1 noun (common) (futsuumeishi) biology (phenotypic) trait;(hereditary) character 2 noun (common) (futsuumeishi) biology allele
獲得形質かくとくけいしつ Noun English jmdict 1 noun (common) (futsuumeishi) acquired characteristics (as opposed to inherited)