Here’s the sixty-four-thousand-dollar question- How come anyone become a left-handed person? Although medical experts aren’t completely sure regarding this question, a research shows a complex relation between environment and genes.
Though there wasn’t any discovery of set of “lefty-genes”, it was shown that there are more left-handed members in the family of a left-handed person. Moreover, researchers have discovered different wirings in the brain in lefties vs. righties. As a result of the constant adaptation to the right handed world, left-handers are usually more independent.