性別

(1)either of the two categories (male or female) into which most organisms are divided; "the war between the sexes"

(2)ほとんどの有機体が分けられる2つのカテゴリーのどちらか（男性か女性）

(3)the properties that distinguish organisms on the basis of their reproductive roles; "she didn't want to know the sex of the foetus"

(4)生殖の役割に基づいて生物を区別する特性

(1)