Y-DNA Haplogroup R1a general sub-forum

Y-DNA Haplogroup R1a-Z283 (all downstream SNPs inclusive) sub-forum

Y-DNA Haplogroup R1a-Z93 (all downstream SNPs inclusive) sub-forum

Y-DNA Haplogroup R1b general sub-forum

Y-DNA Haplogroup R1b-M73 sub-forum

Y-DNA Haplogroup R1b-M343 sub-forum for subclades or associated parahaplogroups negative for downstream SNPs
Sub Forums: R1b-BY14355, R1b-BY15337

Y-DNA Haplogroup R1b-L51 (all downstream SNPs inclusive) sub-forum

Y-DNA Haplogroup R1b-Z2103/Z2105 (all downstream SNPs inclusive) sub-forum

Y-DNA Haplogroup R1b-U106 general sub-forum (please visit relevant sub-sections for downstream SNP's)
Sub Forums: R1b-Z18, R1b-Z381

Y-DNA Haplogroup R1b-P312 (all downstream SNPs including R-U152 and R-L21) sub-forum
Sub Forums: R1b-DF27 , R1b-DF19, R1b-U152, R1b-L21 , DF13, DF63

Y-DNA Haplogroup R2-M479 (all downstream SNPs inclusive) sub-forum