What haplogroup is R1b?
What haplogroup is R1b? R1b is a subclade within the "macro-haplogroup" K (M9), the most common group of human male lines outside of Africa. Is R1b a Celtic? Origin. R1b-L21 is likely a haplogroup belonging to the Insular Celts (among others), who migrated to Western Europe during the Bronze Age, populating vast regions of what is now Ireland, Great Britain, Northern Spain and northern France. Are R1a and R1b related? It is a subclade of Haplogroup R-M173 (previously called R1). R1a has the sister-subclades Haplogroup R1b-M343, and the paragroup R-M173*. What does R1b stand for? R1b is the paternal branch...