Fig. 2. Mutant and wild-type seedlings at 2 weeks post germination. (A) Columbia wild type; (B) arp2 (wurm) mutant; (C) arpc5 (crk) mutant; (D) brk1-1 mutant; (E) brk1-1;arp2 double mutant; (F) brk1-2;arpc5 double mutant.