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Histogram illustrating the intensities of incorporated 5′-bromouracil (a) and the total RNA Pol II pool fluorescence (b) in egg cell before and after fertilization. c Graph comparing the levels (gold grains) of the total RNA Pol II pool, hypophosphorylated (initiation) and hyperphosphorylated (elongation) forms of RNA Pol II between the nucleus of egg cell, zygote and somatic cell
