Scientists have discovered why humans no longer have tail

 We lost our tails because of an evolutionary split that happened between monkeys and our ancestors,,,

 the ape and human progenitors, some 25 million years ago.  

 But up until today, the genetic mutation that caused this profound change has remained elusive. 

 The elimination of ancestral tails has been connected to a distinct DNA mutation, according to a recent study published in Nature.  

 The TBXT gene, which regulates tail length in animals with tails, is home to this mutation.  

 Bo Xia, the study's senior author and a former graduate student at New York University who is currently a research investigator at the Broad Institute,,,

suffered a tailbone injury and developed an interest in the structure's evolutionary history that led to this amazing discovery.  

 Senior author of the study and scientific director of NYU Langone Health's Applied Bioinformatics Laboratories Itai Yanai commended Xia for her unique viewpoint,  

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