DNA for Genealogy
What is DNA?
Autosomal DNA
Mitochondrial DNA
Y-Chromosome DNA
DNA Test Process
DNA Test Results
DNA Mutations
Y-DNA Markers
More Y-DNA Markers
Y-DNA TMRCA
Y-Chromosome SNPs
Y-DNA Haplogroups
mtDNA Interpretation
mtDNA Haplogroups
Testing Companies
DNA Links
Time to Most Recent Common Ancestor TMRCA is the most likely time back to a common paternal ancestor. The closer the match, the closer the time. TMRCA can also mean the year of birth of a common ancestor:
