With Regard to the Estimation and Interpretation of the Recurrence

With regard to the estimation and interpretation of the recurrence of risks for genetic disorders,nurses should be aware that:

A) with a dominant disorder, the likelihood of the second child also having the condition is 100%.
B) an autosomal recessive disease carries a one in eight risk of the second child also having the disorder.
C) disorders involving maternal ingestion of drugs carry a one in four chance of being repeated in the second child.
D) the risk factor remains the same no matter how many affected children are already in the family.

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