Researchers discuss the ethical challenges of studying DNA from a 18th--19th century African American community

A population genetics team recently identified the genetic relationship between over 40,000 23andMe users and a population of enslaved and free African Americans that lived in Catoctin Furnace, Maryland between 1776--1850. Over the course of this study, the researchers considered how best to inform descendants and other genetic relatives of their genetic connection to the site.

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