A man and woman are both affected by an autosomal dominant disorder, polydactly. Their first child does not have polydactly. On average, what proportion of their offspring will be affected with this...

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Extracted text: A man and woman are both affected by an autosomal dominant disorder, polydactly. Their first child does not have polydactly. On average, what proportion of their offspring will be affected with this disorder? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 1/4 b 1/2 C d 3/4