The nurse is reviewing the characteristics of autosomal dominant inheritance. Which are true about these characteristics? (Select all that apply.)
a. A carrier state exists.
b. The phenotype appears in consecutive generations.
c. Males and females are equally likely to be affected.
d. Parents who have affected children are usually asymptomatic.
e. Children of an affected parent have a 50% chance of being affected.
ANS: B, C, E
Characteristics of autosomal dominant inheritance include the phenotype appears in consecutive generations, males and females are equally affected, and children of an affected parent have a 50% chance of being affected. A carrier state and parents who have affected children are usually asymptomatic are characteristic of autosomal recessive inheritance.
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