Ｚ染色体ぜっとせんしょくたい

noun

Z chromosome

Biology term for the sex chromosome found in birds, some reptiles, and other species where females are ZW and males are ZZ.

• 鳥ちょう類るいでは、オスがＺ染せん色しょく体たいを二に本ほん持もつ。

  In birds, males have two Z chromosomes.