Sci. rep. Sci. rep. Analysis of the R1b-DF27 haplogroup shows that a large fraction of Iberian Y-chromosome lineages originated recently in situ Solé-Morata N. Villaescusa P. García-Fernández C. Font-Porterias N. Illescas M.J. Valverde L. Tassi F. Ghirotto S. Férec C. Rouault K. Jiménez-Moreno S. Martínez-Jarreta B. Universidad de Zaragoza Pinheiro M.F. Zarrabeitia M.T. Carracedo Á. De Pancorbo M.M. Calafell F. 2017 research-article