mortality/aging
skeleton
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• when present, one or both lower incisors are markedly reduced
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• one or both lower incisors are sometimes absent
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• in extreme cases upper incisors are absent
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craniofacial
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• when present, one or both lower incisors are markedly reduced
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• one or both lower incisors are sometimes absent
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• in extreme cases upper incisors are absent
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reproductive system
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• average litter size is 3.2
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growth/size/body
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• when present, one or both lower incisors are markedly reduced
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• one or both lower incisors are sometimes absent
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• in extreme cases upper incisors are absent
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