What causes some people to be left-handed, and why are fewer people left-handed than right-handed? - Deepstash

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Right-Handed Vs Left Handed

Right-Handed Vs Left Handed

Human hand preference is predictably a biological and genetic (hereditary) phenomenon, but we see that 85 percent of people are right-handed.

Researchers have identified the specific gene (D Gene) that occurs more commonly among the population which responsible for promoting right-hand preference. The C gene, which is less likely to occur within our gene pool, creates a coin-toss chance of an individual being left or right-handed.

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Unpredictable By Nature

Just like the weather, nature made sure that there are enough influencing factors that cause changes in hand-preference, like external, societal and cultural pressures, to result in various possible genetic combinations and chance influences.

This makes the entire process of hand preference unpredictable by design.

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