A couple has been counseled for genetic anomalies. They ask you, "What is karyotyping?" Your best response is:
a. "Karyotyping will reveal if the baby's lungs are mature."
b. "Karyotyping will reveal if your baby will develop normally."
c. "Karyotyping will provide information about the gender of the baby and the number and structure of the chromosomes."
d. "Karyotyping will detect any physical deformities the baby has."
ANS: C
Karyotyping provides genetic information such as gender and chromosome structure. The L/S, not karyotyping, reveals lung maturity. Although karyotyping can detect genetic anomalies, the range of normal is nondescriptive. Although karyotyping can detect genetic anomalies, not all such anomalies display obvious physical deformities. The term deformities is a nondescriptive word. Physical anomalies may be present that are not detected by genetic studies (e.g., cardiac malformations).
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