behavior/neurological
• mice show a flexed posture when inverted, similar to Erbb2 and Ntf3;Egr3 conditional mutants
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• mice exhibit a wide-based, ataxic gait, similar to Erbb2 conditional mutants; onset of abnormalities is delayed and is less pronounced, however, relative to Erbb2 conditional animals
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nervous system
• at P5, ventral root potentials are normal, but by P14, amplitudes of potentials are reduced by >75% compared to controls, similar to Ntf3;Egr3 conditional mutants
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