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. 2017 Sep 5;114(41):10882–10887. doi: 10.1073/pnas.1706332114

Fig. 2.

Fig. 2.

Comparison of gene expression profiles in E16 and E21 chicken RPE/choroid. The FPKM value of each gene is compared with its expression across all samples to obtain the average expression. The ratio of gene expression in each sample is compared with the average, and the values are plotted on a log base2 scale. Positive values indicate above-average expression; negative values, below-average expression.