An example of a time span (jan 1, 1987 – jan 1, 1987)
Description:
population geneticists first demonstrated the existence of such a 'mitochondrial Eve'. After analysing DNA from 147 people from around the world to chart their genetic relationships, they used a 'molecular clock', based on the number of DNA mutations that arise with each generation, to estimate Eve's ageAdded to timeline:
Date:
jan 1, 1987
jan 1, 1987
~ 0 min