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25/07/2019
About 10% of the population worldwide covers this feature. The genetic factor seems decisive in the topic with families with high prevalence of left-handed people. If both parents are right-handed, the possibility of the child being left-handed is 2%; If one of the parents is left-handed, the prevalence increases to 17% and if they are both, it exceeds 46%.
Very recently, the "LRRTM1 gene" (named "zombie gene") has been confirmed, located on chromosome 2, but scientists believe that there are at least 27 genes involved in the so-called cerebral cortical asymmetry.
According to the scientists, these people have more developed the right cerebral hemisphere and more accurately use the lower and upper limbs of the left sector.
Very recently, the "LRRTM1 gene" (named "zombie gene") has been confirmed, located on chromosome 2, but scientists believe that there are at least 27 genes involved in the so-called cerebral cortical asymmetry.
According to the scientists, these people have more developed the right cerebral hemisphere and more accurately use the lower and upper limbs of the left sector.
