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Fig. 1 | BMC Genomics

Fig. 1

From: Gene expression analysis reveals the tipping points during infant brain development for human and chimpanzee

Fig. 1

Gene expression analysis of dorsolateral prefrontal cortex expression data. a The clusters of the human and chimpanzee DLPFC dataset. b The first 2 principle components of the two species’ expression data by PCA. Each small dot represents the PC score along the top two principle components for each sample and the numbers represent each sample’s age in years. Blue represents chimpanzee samples and red represents human samples. For both humans and chimpanzees, the samples of the individuals’ ages (the most samples are included in circle) are distributed on early life stages. c Multi-dimensional scaling (MDS) plots show the first principal axes relative to the individual’s age in years. Each point represents a sample

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