Analysing the data recently presented by Jiankui He and assuming that it is authentic shows that the goal of abolishing the expression of CCR5 may have been reached for one of the resulting twins, although this remains to ...

Alfred H. Sturtevant fut le premier à s’en étonner : le taux de mutation est faible mais n’atteint jamais zéro. Pourtant, la plupart des mutations qui modifient le phénotype ont un effet délétère, les individus qui produisent ...