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. Author manuscript; available in PMC: 2016 Apr 17.
Published in final edited form as: J Evol Biol. 2015 Apr 17;28(4):973–985. doi: 10.1111/jeb.12628

Figure 2.

Figure 2

(a) Frequency histogram of trait-specific broad-sense heritabilities calculated for each of the 30 cranial traits;(b) Frequency histogram of trait-specific genetic coefficients of variation calculated for each of the 30 cranial traits; (c) Percent variance explained by each principal component of the G-matrix. Solid line indicates the best-fit exponential curve. The dashed line indicates the eigenvalue distribution observed once the genetic signal was replaced by random signal (Gnoise).