Table 1.

Description of the nine ME scenarios (nos. 26–34)

N
m (×104)
Scenario
no.
Africa
Europe
Asia
Africa
Europe/Asia
26 Nm = 0.1 (all regions) 7000 7000 7000 0.143 0.143
27 Nm = 1 (all regions) 7000 7000 7000 1.43 1.43
28 Nm = 10 (all regions) 7000 7000 7000 14.3 14.3
29 Nm = 0.1 (all regions) 20,000 1000 1000 0.05 1
30 Nm = 1 (all regions) 20,000 1000 1000 0.5 10
31 Nm = 10 (all regions) 20,000 1000 1000 5 100
32 Nm = 0.1 (in Africa) 20,000 1000 1000 0.05 0.05
33 Nm = 1 (in Africa) 20,000 1000 1000 0.5 0.5
34
Nm = 10 (in Africa)
20,000
1000
1000
5
5

[i] N is the effective number of genes in a continent.

m is the probability of emigration per gene per generation.

Nm is the number of emigrant genes per generation per continent.