Divergence time estimated from sequence differences given a calibrated substitution rate (Zuckerkandl–Pauling 1965). Relaxed (uncorrelated) models allow rate variation; used to date last-common-ancestors where the fossil record is sparse.
Divergence time estimated from sequence differences given a calibrated substitution rate (Zuckerkandl–Pauling 1965). Relaxed (uncorrelated) models allow rate variation; used to date last-common-ancestors where the fossil record is sparse.