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Bennett Greenspan, president and CEO of Family Tree DNA, joins Jane to talk about mitochondrial (mt) DNA. Find out what mtDNA is, what the differences between mtDNA and yDNA haplogroups are, and how to interpret our results. Bennett will explain how the migration maps and origins used by FTDNA were determined, what applications mtDNA has for genealogy research, and where he thinks mtDNA applications will be going in the future.
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