The Middlesex County Museum and Historical Society presents a talk by Bessida Cauthorne White entitled “DNA 101: An Introduction to Genetic Genealogy” on Sunday, March 26 at the Middlesex County Historic Courthouse in Saluda.This presentation for beginners will include an explanation of basic genetic genealogy terms, the types of DNA testing used for genealogical purposes and the limitations of DNA testing. Learn more at middlesexmusuem.com.