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,what should nurses be aware of?

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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