It is defined by the SNP mutation M329 .
E1b1a2 - M329 is a haplogroup , a group of similar haplotypes that share a common ancestor with a single - nucleotide polymorphism mutation .
E1b1a2 - M329 is defined by the SNP mutation haplogroup .
E1b1a2 - M329 is a haplogroup , a group of similar haplotypes that share a common ancestor with a single - nucleotide polymorphism mutation .