Figure 1.

Pairwise omega (dN/dS) values. This graph shows pairwise dN/dS values (Type A vs. Type B C. intestinalis) for 30 candidate gamete recognition proteins (GRPs) and 9 control proteins. The line is dN/dS = 0.5.

Nydam and Harrison BMC Evolutionary Biology 2011 11:18   doi:10.1186/1471-2148-11-18
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