Tag Archives: Mitochondrial DNA: a maternal gift

Mitochondrial DNA: a maternal gift

Marshall Lichtman Rochester, New York, United States   Human haplogroup tree rooted at Mitochondrial Eve. By Wapondaponda. 2009. Via Wikimedia. CC BY-SA 3.0 DNA is arrayed on twenty-three pairs of chromosomes in human cell nuclei. It is coiled tightly around proteins called histones that together with DNA form a chromosome. The largest chromosome carries several […]