noun
Usage: usually capitalized W
: a sex chromosome of the kind distinctively characteristic of the female in organisms (as moths) in which the female has two kinds of sex chromosomes — compare z chromosome
noun
Usage: usually capitalized W
: a sex chromosome of the kind distinctively characteristic of the female in organisms (as moths) in which the female has two kinds of sex chromosomes — compare z chromosome
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012