Is this more likely to be an autosomal dominant trait

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For a certain malformation, the recurrence risk in sibs and offspring of affected persons is 10%, the risk in nieces and nephews is 5%, and the risk in first cousins is 2.5%

1. Is this more likely to be an autosomal dominant trait with reduced penetrance or a multifactorial trait? Explain.

2. What other information might support your conclusion?

Reference no: EM13151405

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