behavior/neurological
• homozygotes have a staggering gait with hesitant placement of the feet, similar to that seen in other hotfoot mutants
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hearing/vestibular/ear
• auditory brainstem response assessment of one homozygote and one sibling control at 107 days of age showed that the homozygote was deaf
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reproductive system
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• homozygous males do not reproduce, but sperm from homozygous males can be successfully used in in vitro fertilization to generate viable offspring
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