abnormal geniculate ganglion morphology, abnormal limb posture, abnormal locomotor activation, abnormal mammary gland development, abnormal mammary gland lobule morphology, abnormal mammary gland morphology, abnormal motor capabilities/coordination/movement, abnormal motor neuron innervation pattern, abnormal muscle regeneration, abnormal muscle spindle morphology, abnormal myelin sheath morphology, abnormal myocardial fiber morphology, abnormal neural crest cell migration, abnormal neuromuscular synapse morphology, abnormal paravertebral ganglion morphology, abnormal petrosal ganglion morphology, abnormal phrenic nerve innervation pattern to diaphragm, abnormal phrenic nerve morphology, abnormal sciatic nerve morphology, abnormal sensory neuron innervation pattern, abnormal sensory neuron morphology, abnormal sympathetic ganglion morphology, abnormal trigeminal ganglion morphology, abnormal vagus nerve morphology, abnormal ventral spinal root morphology, abnormal vitelline vasculature morphology, absent muscle spindles, absent myocardial trabeculae, absent primary muscle spindle, absent secondary muscle spindle, absent trabeculae carneae, absent vitelline blood vessels, behavior/neurological phenotype, cardiac hypertrophy, cardiovascular system phenotype, decreased Schwann cell number, decreased Schwann cell precursor number, decreased atrioventricular cushion size, decreased body size, decreased muscle spindle number, decreased neuronal precursor cell number, decreased tumor latency, decreased ventricle muscle contractility, defasiculated phrenic nerve, dilated heart atrium, embryonic lethality during organogenesis, complete penetrance, embryonic lethality, complete penetrance, impaired limb coordination, increased mammary gland tumor incidence, increased sensitivity to induced morbidity/mortality, kinked neural tube, kinked tail, nervous system phenotype, no abnormal phenotype detected, partial loss of secondary muscle spindle, perinatal lethality, complete penetrance, poor circulation, postnatal lethality, incomplete penetrance, premature death, prenatal lethality, reproductive system phenotype, small superior vagus ganglion, thin interventricular septum, thin ventricular wall