evolutionary clock
The accumulation of changes in non-genetic stretches or introns of (especially) mitochondrial DNA that occur at a fairly constant rate and can be calibrated with real time to enable estimates to be ...
mitochondrial-DNA
Circular DNA that is found in mitochondria. It is entirely independent of nuclear DNA and, with very few exceptions, is transmitted from females to their offspring with no contribution from the male ...
Occam's razor
The principle (attributed to the English philosopher and Franciscan friar William ofOccam, c. 1285–1349) that in explaining a thing no more assumptions should be made than are necessary. The ...
