Fig. 1From: Tracing the expression of circular RNAs in human pre-implantation embryosMorphology of human early embryos and global expression pattern of RefSeq genes during human pre-implantation development. a Microscopy images of human mature oocyte and pre-implantation embryos at zygote (2PN), 2-cell, 4-cell, 8-cell, morula, early blastocyst, blastocyst, and hatched blastocyst stages. Scale bar, 50um. b PCA of the transcriptome of single embryos during human pre-implantation development. c Pearson correlation coefficient heat map of single embryo transcriptomes during human pre-implantation developmentBack to article page