TABLE 1

Recombination and rate heterogeneity

	ρ = 0	ρ = 1	ρ = 4	ρ = 16	ρ = 64
Median	∞	5.5	1.4	0.47	0.28
95% confidence	[3.2, ∞]	[0.98, ∞]	[0.62, ∞]	[0.24, 0.86]	[0.21, 0.35]

The rate heterogeneity parameter α was estimated using PAML 2.0g (Yang 1999) for sets of 20 sequences simulated under the neutral coalescent with recombination. The Jukes-Cantor model with α=∞ was used for simulation. A total of 100 replicates were run.