Assertion: evolution's theory | /r/CapableOf | provide theoretical basis
Facets:
value: in the late 1960s
type: TEMPORAL
value: for the molecular clock
type: OTHER
Source sentences:
text: In the late 1960s, the neutral theory of molecular evolution provided a theoretical basis for the molecular clock, though both the clock and the neutral theory were controversial, since most evolutionary biologists held strongly to panselectionism, with natural selection as the only important cause of evolutionary change.