Table 4.

Relative Branch Lengths for Different Topologies of the Metazoan Tree


Branch length relative to human

C

E

W


Worm 2.13 ± 0.10 1.54 ± 0.08 2.00 ± 0.19 2.03 ± 0.14
(1.97—2.31) (1.37—1.69) (1.53—2.19) (1.78—2.28)
Fly 1.21 ± 0.04 1.06 ± 0.05 1.37 ± 0.15 1.06 ± 0.05

(1.11—1.27)
(0.98—1.17)
(1.14—1.59)
(1.01—1.20)

[i] The lengths of the fly and worm branches are given relative to the human branch length, which was assumed equal to 1. Median ± standard deviation and 95% confidence interval (in parentheses) are indicated. The tree topologies are designated as in Table 3.