x chromosome

1. 1.

   the sex chromosome that is present in both sexes: singly in males and doubly in females

   “human females normally have two X chromosomes”

   Broadersex chromosome

Questions about x chromosome

What does x chromosome mean?

x chromosome means "the sex chromosome that is present in both sexes: singly in males and doubly in females".

Is x chromosome a common word?

x chromosome is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.