Meaning of the word "X chromosome" in English

What does "X chromosome" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

X chromosome

US /ˈeks ˌkroʊ.mə.soʊm/
UK /ˈeks ˌkrəʊ.mə.səʊm/
"X chromosome" picture

Noun

a sex chromosome that occurs paired in the cells of females and singly in those of males

Example:
Females typically have two X chromosomes, while males have one X and one Y.
Color blindness is often linked to a gene on the X chromosome.