Definition: Discrete strands of tightly packaged chromatin. Related Vocabulary: AllosomesAutosomesChromatinMitochondrial DNASymposia: Ancient DNA and Human EvolutionCARTA 10th Anniversary: Revisiting the AgendaCellular and Molecular Explorations of AnthropogenyComparative Anthropogeny: From Molecules to SocietiesExploring the Origins of Today's HumansExtraordinary Variations of the Human Mind: Lessons for AnthropogenyHumans: The Planet-Altering ApesImpact of Infectious Disease on Humans & Our OriginsImplications of Anthropogeny for Medicine and HealthThe Evolution of Human Physical Activity