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Figure 6. Comparison of phenotype and relative DNA content per nuclei of somatic cells between transgenic and control plants. (A) Photos of transgenic U9 and control Ct seedlings were taken from top and bottom view at 10 DAS, (B) relative DNA content per nuclei of somatic cells in detached cotyledons, hypocotyls, and roots of U9 and Ct seedlings were measured during 7–20 DAS. The 4C (G2, M phase)/2C (G1 phase) ratio probably corresponded to the activity of cell division.