...Yann Hérault; Nadine Fraudeau; József Zákány; Denis Duboule ABSTRACT Ulnaless ( Ul ), an X-ray-induced dominant mutation in mice, severely disrupts development of forearms and forelegs. The mutation maps on chromosome 2, tightly linked to the HoxD complex, a cluster of regulatory genes required...

...Catherine L. Peichel; Bindu Prabhakaran; Thomas F. Vogt ABSTRACT The semi-dominant mouse mutation Ulnaless alters patterning of the appendicular but not the axial skeleton. Ulnaless forelimbs and hindlimbs have severe reductions of the proximal limb and less severe reductions of the distal limb...