The 3-D Structural Basis for the Pgi Genotypic Differences in the Performance of the Butterfly Melitaea cinxia at Different Temperatures.

A Chi-square test comparing the observed and expected frequencies of different types of AA combinations gave a highly significant result for data pooled across phyla (X 2 = 255.35, df = 2, P < 2.2×10 −16 , Table 1 ).

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