Figure 1

Sample information, SOM module, and PCA analysis. (a) Different phenotypes from two different development stages of Manis javanica.; (b) Gene expression-specific and phenotype-specific gene-trait correlation analysis based on self-organizing feature map module analysis (SOM module), colour scale of SOM component plane represented the mean ratio in each map node, and red indicates high expression, blue indicates low expression; (c) Principal components analysis (PCA) displaying biological variation between scale-type and hair-type samples in pangolin skin appendages. (The adult-hair3 sample in the sequencing results was of poor quality so this sample was deleted).