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News-Sentinel.com Your Town. Your Voice.
Opening Arguments

Born that way

Why is 10 percent of the population left-handed?

What makes humanity’s bias against lefties all the more unfair is that left-handed people are born that way. In fact, scientists have speculated for years that a single gene could control a left-right preference in humans. Unfortunately, they just couldn’t pinpoint exactly where the gene might lie.

Now, in a paper published today in PLOS Genetics a group of researchers have identified a network of genes that relate to handedness in humans. What’s more, they’ve linked this preference to the development of asymmetry in the body and the brain.

Guess that will end the "they choose to be left-handed" argument, and the fight to get a left-handed ban into the state constitution will be halted.
Conservatives, by the way, dispute the "10 percent" claim as propaganda put forth by activists pushing a left-handed agenda.