Speed Gene
Some scientists have concluded that elite-level sprinting is virtually impossible in the absence of the ACTN3 protein, a “speed gene” most common among people of West African descent that makes fast-twitch muscle fibers fast.
Speed Gene
Some scientists have concluded that elite-level sprinting is virtually impossible in the absence of the ACTN3 protein, a “speed gene” most common among people of West African descent that makes fast-twitch muscle fibers fast.