X chromosome

Example Sentences

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These genes also have counterparts on the X chromosome, meaning both males and females typically have two copies.

From Science Daily • Mar. 20, 2026

The team analyzed modern human DNA preserved in Neanderthals, and found an abundance on the X chromosome -- the mirror opposite of humans.

From Barron's • Feb. 26, 2026

Researchers suspected that the mutation causing the condition was somewhere on the X chromosome, because females, which have two X chromosomes, are less affected.

From The Wall Street Journal • Oct. 6, 2025

Using skin samples collected from variously colored cats, the researchers homed in on a mutation on the X chromosome that increases the amount of a protein called Arhgap36 only in pigment-producing cells called melanocytes.

From Science Magazine • Dec. 4, 2024

Every notch winged female has one X chromosome that carries the factor for notch and one X chromosome that is "normal".

From A Critique of the Theory of Evolution by Morgan, Thomas Hunt