DNA for Genealogy
What is DNA? Autosomal DNA Mitochondrial DNA Y-DNA DNA Test Process Y DNA Results DNA Mutations Y-DNA Markers More Y-DNA Markers Y-DNA TMRCA Y-Chromosome SNPs Y-DNA Haplogroups mtDNA interpretation mtDNA Haplogroups DNA Testing Companies DNA Links More Y-DNA Markers
Small differences may mean a common ancestor. Testing with more markers (e.g. 25, 37, 67) can help resolve results
Participant 1 and 2 have a 24/25 marker match are almost certainly related, but not 3 (with only an 18/25 match)
