TABLE 8

Numbers of derived silent polymorphisms at low, intermediate, and high frequency

Lowa
0.0 < P ≤ 0.2
Intermediate
0.2 < P < 0.8
High
0.8 ≤ P < 1.0
2 × 3 homogeneity
test
Immunity150 (0.86)b174 (1.00)26 (0.15)
Non-immX15 (0.28)53 (1.00)2 (0.04)
Non-imm3R42 (0.64)66 (1.00)0 (0.00)
Imm vs. 3R10.38, P < 10-2
X vs. 3R8.48, P = 0.01
Imm vs. X15.94, P < 10-3
  • a Derived alleles are identified using the outgroups D. melanogaster and D. yakuba.

  • b The proportion of polymorphisms of each frequency class relative to the number of intermediate frequency polymorphisms is shown in parentheses.