Why do we actually write with the right hand and not with the left?
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Individuals have identified as many as 40 genes that cause left-handedness. You may be surprised, 75% of babies are born left-handed. But later on environment and life style substitute infanticide.
Oxford Physiologist Dr. Tim Crore’s vote, probably the human god PCDH-X gene gives 11 at arm’s length. Dr. Oxford license. Guys, the LRTM-1 gene fixed on chromosome 2 is perfect for using human hands. In addition, maternal exposure to die eth steelbost in utero is conducive to left-handedness.
Not only humans but also many animals are left-handed. According to one study, Australian carangaroos are all left-handed. It is said that caution is natural in amphipods. But quadrupeds do not exhibit such characteristics.
Dr. Brown Castle Parkel Freedom in Norway on the study of Tia birds and chickens with this special animal game. Leslie Razors. He said that due to the connection between sight and hand, animals work with different parts. For example, if one sees something, it is nature to catch it. This feature accounts for the function of the leader’s hemispheres. Part of this part of me. This part of itself is naturally left-handed.