
Figure 2.
CHEF gel electrophoresis of maize genomic DNA. (A) Ethidium bromide-stained gel of maize genomic DNA that was not digested (lane2) or was digested with either NotI (lane 3) or Sfi I (lane 4). (Lane 1) DNA size markers. (B) Autoradiogram of a different gel containingNotI-digested maize DNA. The membrane was hybridized with the probe Bz-528 (see Fig. 3).











