Focus on J2 and sublineages:;;

Blogs: Dienekes , ; Palisto: KurdishDNA
Community / Discussion: Personal unsubstantiated theories, prejudices and bad manners can happen, unfortunately. Always try to contribute positively and constructively.
FTDNA: Forum Y-DNA; Forum J Haplogroup (Y-DNA); J2 Haplogroup; Forum J Haplogroup (Y-DNA), J2a-M410, J2b-M12;
Facebook: Haplogroup J2, Y-DNA Project Administrators, ISOGG;
Mailing Lists: GENEALOGY-DNA-L Archives;


Projects of enthusiasts: sources and/or authors are sometimes not listed and the influence of unsecured theories or beliefs can not be excluded. So use with caution and a critical review.
TheGeneticAtlas Map J, Y-pop-tree, frequencies;
Eupedia Map J2 & Table, Forum Y-DNA Haplogroups;