An example of a time span (1 янв 1987 г. – 1 янв 1987 г.)
Описание:
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 ageДобавлено на ленту времени:
Дата:
1 янв 1987 г.
1 янв 1987 г.
~ 0 min