Unofficial Haplogroup G Tree Structure 
that includes 15 unusual STR marker values
with the SNP categories

G
   G1 
         G1a 
               DYS460 = 9
         G1b 
         DYS385=13,17 (Kazakh)
   G2 
         G2a     
               G2a1
                       G2a1a
                            YCA= 19,21 [East European]
                            DYS19=16 and YCA= 21, 21 [Jewish]
               G2a2 
               G2a3  
                       G2a3a 
                              G2a3a1  
                              DYS19 = 17                     
                       G2a3b 
                              G2a3b1
                                   G2a3b1a 
                                       G2a3b1a1 
                                   DYS388=13
                                        G2a3b1b
                                        DYS594=11
                                        DYS388=15 [mutation from DYS388=13]
                                        DYS391= 7
                                        G2a3b1c
                                   DYS568=9 and YCA=20,21
                                        DYS385a <14 and DSY385b=16 [Jewish]
                                        DYS459a=8
                                   DYS568 not equal 9 and YCA=20,21
                                   DYS390=20 and DYS385= 13,14
                         G2a3c
                G2a4
                YCA=13,21
      G2b   
      G2c 
              G2c1