Novel approach to heritability detection suggests robustness to paternal genotype in a complex morphological trait.

To mirror testing of our own data, we used the first four PCs of the Procrustes‐fit GM data for heritability detection, finding three of the four PCs as demonstrating highly significant heritable variation (PC1: p = 5.39e−11, PC2: p = 2.65e−05, PC 3 : p = 0.814, PC4: p = 0.005) at a Bonferroni‐corrected significance threshold (α = 0.0125).

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