Y-DNA Haplogroup A (A0-P305 through BT-M42 inclusive) section

Y-DNA Haplogroup B-M60 section

Y-DNA Haplogroup C-M130 section

Y-DNA Haplogroup D-M174 section

Main Y-DNA Haplogroup E-M40 section (primarily for parahaplogroup discussions). Visit appropriate sub-forums for downstream SNPs
Sub Forums: E1a-M33, E1b1a-V38, E1b1b-M215, E2-M75

Main Y-DNA Haplogroup G-M201 section. Visit appropriate sub-forums for downstream SNPs
Sub Forums: G2a-P15

Y-DNA Haplogroup H-M69 section

Main Y-DNA haplogroup I-M170 section (primarily for parahaplogroup discussions). Visit appropriate sub-forums for downstream SNPs
Sub Forums: I1-M253 , I2-M438

Main Y-DNA Haplogroup J-12f2.1 section (primarily for parahaplogroup discussions). Visit appropriate sub-forums for downstream SNPs
Sub Forums: J1-M267, J2a-M410, J2b-M12

Y-DNA Haplogroup K-M9 forum including K-M526 (xLT) section

Y-DNA Haplogroup L-M20 section

Y-DNA Haplogroup M-M106 section

Main Y-DNA Haplogroup N-M231 section. Visit appropriate sub-forums for downstream SNPs
Sub Forums: N1c-Tat

Main Y-DNA Haplogroup O-M175 section (primarily for parahaplogroup discussions). Visit appropriate sub-forums for downstream SNPs
Sub Forums: O1-MSY2.2, O2-L463, O3-M122

Y-DNA Haplogroup Q-M242 section

Main Y-DNA Haplogroup R-M207 section (primarily for parahaplogroup discussions). Visit appropriate sub-forums for downstream SNPs
Sub Forums: R1a, R1a-Z283, R1a-Z93, R1b general, R1b-M73, R1b Early Subclades, R1b-L51, R1b-Z2103/Z2105, R1b-U106, R1b-P312, R2-M479, R-PF6323

Y-DNA Haplogroup S-M230 section

Y-DNA Haplogroup T-M70 section