優性遺伝子 ゆうせいいでんし Meanings Noun dominant gene See also: 劣性遺伝子 (れっせいいでんし). Kanji 優 excel. Read as ユウ. 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