Jefferson-Hemings controversy
The Jefferson–Hemings controversy concerns the question of whether there was an intimate relationship between U.S. President Thomas Jefferson and his mixed-race slave, Sally Hemings, that resulted in ...
Jefferson-Hemings controversy - Wikipedia
Haplogroup T (Y-DNA)
In molecular evolution, a haplogroup is a group of similar haplotypes that share a common ancestor having the same single nucleotide polymorphism (SNP) mutation in all haplotypes. Haplogroup T-M184 is...
Haplogroup T (Y-DNA) - Wikipedia