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![Toward uncharted territory of cellular heterogeneity: advances and applications of single-cell RNA-seq](https://image.oaes.cc/36b39daf-16e3-4dac-aa11-d24949a5827c/3821.fig.1.jpg)
Figure 1. A new paradigm for cellular heterogeneity: heterogeneity and homology coexistent in all levels of phenotypes and genotypes in humans, as heterogeneity is increased from individual level down to molecular level (A); a new paradigm predicts that cells from the same tissue are not created equally and heterogeneity of cells are far more than we previously perceived based on bulk studies (B)