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Table 2 The ratio of nonsynonymous to synonymous substitutions for the envelope-coding region of the gypsy element.

From: Gypsy endogenous retrovirus maintains potential infectivity in several species of Drosophilids

Clade

dN/dS Ratio

A

0.13

B

0.14

C

0.16

D

0.28

  1. Calculations were based on the model of Nei and Gojobori (1986) and include obscura sequences only. Clade designations are given in figure 4.