highly significantP < 0.0001
2004 ). Highly significant correlations in PSE were found between Drosophila species (Pearson correlation, r = 0.63, P < 0.0001; r = 0.66, P < 0.0001; and r = 0.54, P < 0.0001 for sim , sec , and pse , respectively; table 5 ).