Molecular Clock Hypothesis Flashcards
1
Q
What does the molecular clock hypothesis state?
A
That DNA and protein sequences evolve at a rate that is relatively constant over time and among different organisms.
2
Q
The evolution of DNA and protein sequences over a constant period of time and among different organisms means what?
A
The genetic difference between any 2 species is proportional to the time since these species last shared a common ancestor.
