The parents of a newborn infant are relieved that their baby was born healthy, with the exception of a cleft lip that will be surgically corrected in 10 or 12 weeks
Which of the nurse's following statements to the parent's best conveys the probable cause of the infant's cleft lip?
A) "Though you are both healthy, you likely both carry the gene for a cleft lip."
B) "Provided one of you had the gene for a cleft lip, your baby likely faced a 50/50 chance of having one."
C) "Your child's cleft lip likely results from the interplay between environment and genes."
D) "A cleft lip can sometimes result from taking prescription drugs, even when they're taken as ordered."
Ans: C
Feedback:
A cleft lip is considered to be a multifactorial disorder, in which both environment and genes contribute to the condition. It does not depend solely on Mendelian patterns of inheritance and is not known to result from teratogenic drugs.
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