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Which Statement Most Accurately Describes Dominant Genetic Disorders

Question 7

Multiple Choice

Which statement most accurately describes dominant genetic disorders?


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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