When counseling a couple in which the man has an autosomal recessive disorder and the woman has no gene for the disorder, the nurse uses Punnett squares to show the couple the probability of their having a child with the disorder
Which statement by the nurse is most appropriate?
a. "You should consider adoption."
b. "Your children will be carriers of the disorder."
c. "Your female children will display characteristics of the disorder."
d. "Your first-born child will likely display characteristics of the disorder."
ANS: B
When one parent has an autosomal recessive disorder and the other parent has no genes for the autosomal recessive disorder, the children will not display characteristics of the disorder. However, the children will be carriers of the autosomal recessive disorder.
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