| HP:0000006 | Autosomal dominant inheritance | "A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in heterozygotes. In the context of medical genetics, an autosomal dominant disorder is caused when a single copy of the mutant allele is present. Males and females are affected equally, and can both transmit the disorder with a risk of 50% for each child of inheriting the mutant allele." [HPO:curators] |
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| HP:0002355 | Difficulty walking | |
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| HP:0002522 | Areflexia in lower limbs | |
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| HP:0002600 | Hyporeflexia of lower limbs | |
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| HP:0003202 | Amyotrophy | "The presence of muscular atrophy (which is also known as amyotrophy)." [HPO:curators] |
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| HP:0003376 | Steppage gait | "An abnormal gait pattern that arises from weakness of the pretibial and peroneal muscles due to a lower motor neuron lesion. Affected patients have footdrop and are unable to dorsiflex and evert the foot. The leg is lifted high on walking so that the toes clear the ground, and there may be a slapping noise when the foot strikes the ground again." [HPO:curators] |
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| HP:0003445 | EMG shows neuropathic changes | |
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| HP:0003677 | Slow progression | |
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| HP:0007340 | Lower limb muscle weakness | "Weakness of the muscles of the legs." [HPO:curators] |
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| HP:0008959 | Distal weakness in arms then legs | |
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| HP:0009053 | Muscle weakness, lower limb, distal | "Weakness of the distal muscles of the legs." [HPO:curators] |
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| HP:0009830 | Peripheral neuropathy | "Peripheral neuropathy is a general term for any disorder of the peripheral nervous system. The main clinical features used to classify peripheral neuropathy are distribution, type (mainly demyelinating versus mainly axonal), duration, and course." [HPO:curators] |
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