Scientists have known a network of genes that influences whether or not you're right-handed or left-handed.
The researchers did thus by viewing developing embryos.
“The genes square measure concerned within the organic process through that associate early embryo moves on from being a spherical ball of cells and becomes a growing organism with a longtime left and right aspect,” study 1st author William Brandler, a student student within the genomics unit at Oxford University in European nation, same during a university news unharness.
This cistron network additionally might facilitate establish left-right variations within the brain, that successively influence whether or not an individual is left- or right-handed, per the study, revealed Sept. twelve within the journal PLoS biology.
These findings, however, don’t utterly make a case for right- and left-handed variations in folks, the researchers same.
“As with all aspects of human behavior, nature and nurture go hand-in-hand,” Brandler same. “The development of laterality derives from a combination of genes, surroundings and cultural pressure to evolve to laterality.”
About ninety p.c of individuals square measure right-handed. Humans square measure the sole species with such a powerful bias in laterality.
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