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Figure 5 | BMC Evolutionary Biology

Figure 5

From: Molecular evolution of the keratin associated protein gene family in mammals, role in the evolution of mammalian hair

Figure 5

Evolutionary dynamics of KRTAP genes. A comparison of the evolutionary dynamics as evaluated by Pearson correlation coefficient (r) of gene numbers of each subfamily between species is shown. A) The coefficient value for the high cysteine KRTAP and high glycine/tyrosine genes is shown with standard errors of the estimates. The correlation coefficient of the high cysteine genes is significantly higher than for the high glycine/tyrosine genes. B) A linear regression of the coefficients between high cysteine KRTAP and high glycine/tyrosine KRTAP genes. The two groups of coefficient values are positively correlated at the 1% level.

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