y chromosome
IPA: wˈaɪkrˈoʊmʌsoʊm
Root Word: Y chromosome
noun
- (genetics) A mammalian sex chromosome, occurring only in male cells. Cells of females have a pair of X chromosomes while cells of males have an X and a Y.
y-chromosome
IPA: ikrˈoʊmʌsoʊm
Root Word: Y-chromosome
noun
- (genetics) Alternative spelling of Y chromosome [(genetics) A mammalian sex chromosome, occurring only in male cells. Cells of females have a pair of X chromosomes while cells of males have an X and a Y.]