劣性遺伝子 れっせいいでんし Meanings Noun recessive gene See also: 優性遺伝子 (ゆうせいいでんし). Kanji 劣 inferior. Read as レツ. 性 nature. Read as セイ. 遺 leave behind 伝 transmit. Read as デン. 子 child. Read as シ. Jinuma: Japanese Dictionary · Word lists