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 DNA Mutations
Y-Mutation
Copy Error, 1631 Bible
mt-Mutation
Mutations are "copy errors" that sometimes occur when DNA is passed on to the next generation
Y-DNA and mtDNA mutations are generally harmless, but are helpful for determining connections
The more mutational differences, the greater the "Time to Most Recent Common Ancestor"