Reciprocal changes in expression of
lin-12 and
lag-2 prior to commitment of Z1.ppp and Z4.aaa. Hilary A. Wilkinson*, Kevin Fitzgerald and Iva Greenwald, HHMI and Dept. of Biochemistry and Molecular Biophysics, Columbia University College of Physicians and Surgeons, New York, NY 10032; *Current address: Merck Research Laboratories, Rahway, NJ 07065