Dr Lara Cassidy from Trinity College Dublin talks about her work exploring the genomic history of Ireland.
Part of our special series from the 2019 Galton Institute Symposium - New Light on Old Britons.
Presented and produced by Georgia Mills for First Create The Media.
More info at GeneticsUnzipped.com
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Visit the Galton Institute website to find out more about the society and its work and follow them on Twitter @GaltonInstitute
