Botany online 1996-2004. No further update, only historical document of botanical science!
The topmost lilac double line depicts the double strand. Below are subsequent intermediate states of replication shown. The new, radioactively labelled strand segments are drawn in yellow. The yellow lines below the double strands show the labelled segments that can be seen in an autoradiogram. (J. A. HUBERMAN, A. D. RIGGS, 1968).