| At least some of these genes show biallelic mutations in nonconsanguineous families as well. |
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| Compound heterozygosity for one missense and one null mutation was identified in two additional nonconsanguineous SRP families. |
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| Study subject 1 is a 9-year-old male, the first of two children born to nonconsanguineous parents. |
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| She is the second of three children born to healthy nonconsanguineous parents, with no family history of note, apart from a single febrile convulsion in the mother. |
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| Review of the family history revealed that the proband was the third child born to nonconsanguineous parents, a 32-year-old father and a 27-year-old mother. |
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