Why Is It Rare To Be Left Handed
Olivia Luz
Scientists aren t exactly sure why some people are left handed but they know that genes are responsible about 25 of the time says yeo.
Yes it s very rare to be ambidextrous. It s not just genetics. For starters there is a genetic component to handedness or which hand you prefer to use. One of the genes they call d for dextral meaning right handed and the other they call c for chance meaning it s a matter of chance.
Lefties are kind of tricky to understand. According to abrams evolution dictates that groups with that aforementioned negative advantage like left handedness tend to grow within a population until that advantage disappears. Left handedness does tend to run. Research in the scientific world on the human brain and the rarity of the left handed occurrence amongst the entire population has led to some interesting insights that can be proven to be true.
A study claims that human beings have wanted cooperation more than the competition. The findings come thanks to some data from the sports world. While 10 percent of the population is left handed only about 1 percent are truly able to alternate between both hands. The issue is solidly the way genetics influence who is right left handed.
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90 of the human species has gravitated towards cooperation amongst each other as a choice over the competition. A new study suggests lefties are rare because of the balance between cooperation and competition in human evolution. Previous research has suggested that left handedness is due to genetic differences. It s a league of their own really.
However as early as in the 1940s rife 1940 some researchers noticed a curious fact about left handedness.
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