Re: Advice On How to Begin Bridging a Gap in Research #dna

Sally Bruckheimer

Neither mt-DNA nor Y-DNA crosses over in meiosis, so neither changes much over many centuries. With either of these you will get a code for a supposed ancestor in the all - female or all - male line a millennium or more ago. Only autosomal DNA crosses over, so it changes from generation to generation, and can identify relatives.

Sally Bruckheimer
Princeton, NJ

"My understanding (and I'm no expert) is that mitochondrial DNA does not mutate very often, so searching for specifics through mitochondrial DNA is difficult.  You would probably do better tracing through family DNA.  Even better, if you have close male relatives, Y-DNA is possibly more accurate."

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