(D) IF of DAXX and ATRX in PN5 zygotes upon siRNA-mediated knockdown of Daxx (n=14) or with control siRNAs (n=8). Data information: All panels: images of paternal and maternal pronuclei at given stage/condition are from same zygote. Yellow dashed circles represent the contours of the pronuclei. All scale bars, 10µm. 