1. Additional populations for which data on binary markers were taken from the literature Population sample size Reference Gipuzkoa-2 45 Underhill et al. (2000) Spaniards-2 459 Flores et al. (2004) Portuguese 109 Flores et al. (2004) Scottish 163 Rosser et al.(2000) Scottish 450 Capelli et al. (2003) English 172 Rosser et al. (2000) English 1007 Capelli et al.(2003) Welsh 196 Capelli et al.(2003) Irish 257 Rosser et al. (2000) Irish 119 Capelli et al.(2003) Norwegians 72 Passarino et al. (2002) Norwegians 201 Capelli et al. (2003) Danes 56 Rosser et al. (2000) Danes 35 Scozzari et al (2001) Danes 190 Capelli et al. (2003) Dutch 84 Rosser et al. (2000) Dutch 27 Semino et al. (2000) French 73 Scozzari et al. (2001) French 23 Semino et al. (2000) Germans 110 Rosser et al. (2000) Germans 16 Semino et al. (2000) Germans 95 P. Schneider (pers. comm.) North. Italians 50 Semino et al. (2000) North. Italians 55 Scozzari et al. (2001) South. Italians 37 Semino et al. (2000) South. Italian 100 Scozzari et al. (2001) Corsicans 141 Scozzari et al. (2001) Corsicans 34 Francalacci et al. (2003) Sardinians 331 Scozzari et al. (2001) Sardinians 78 Francalacci et al. (2003) Sicilians 131 Scozzari et al. (2001) Sicilians 51 Francalacci et al. (2003) Czech -Slovakians 123 Rosser et al. (2000) Czech -Slovakians 45 Semino et al. (2000) Poles 112 Rosser et al. (2000), Poles 55 Semino et al. (2000) Poles 36 Scozzari et al. (2001) Georgians 64 Rosser et al. (2000) Georgians 63 Semino et al. (2000) Turkish 523 Cinnioglu et al. (2004) 2. Populations for which R1b3d-M153 chromosomes were analyzed for the STR loci. Data compiled from the literature population n reference Basques 13 12 from García et al. (2004), 5 from Bosch et al. (2001) Iberians 1 Bosch et al. (2001) 3. Populations for which R1*(xR1a,R1b3f)-M173 chromosomes were analyzed for the STR loci. Data compiled from the literature population n reference Basques 209 148 from García et al. (2004), 37 from Bosch et al. (2001) and 24 from Brión et al. (2003) Portuguese 335 L. Gusmao (pers. comm.) Spaniards 75 28 from Bosch et al. (2001) and 47 from Brión et al. (2003) Icelanders 75 Helgason et al. (2000) Scottish 370 47 from Helgason et al. (2000) and 323 from Capelli et al. (2003) English 799 140 from Weale et al. (2002) and 659 from Capelli et al. (2003) Welsh 244 81 from Weale et al. (2002) and 163 from Capelli et al. (2003) Irish 285 181 from Helgason et al. (2000) and 104 from Capelli et al. (2003) Norwegians 113 2 from Hurles et al. (1999), 29 from Helgason et al. (2000), 22 from Weale et al. (2002) and 60 from Capelli et al. (2003) Danes 77 5 Danes from Helgason et al. (2000) and 72 Danes/Germans from Capelli et al. (2003) Belgians 31 B. Hoste (pers. comm.) Germans 39 P. Schneider (pers. comm.) Friesians 52 Weale et al. (2002) Austrians 42 W. Parson (pers. comm.) Italians 19 2 from Hurles et al. (1999) and 17 from Caglià et al. (2003) Croatians 34 Barac et al. (2003) Armenians 238 Weale et al. 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