Why do some researchers believe it may someday be possible to detect harmful genes in human embryos and replace them with healthy ones?
A. Ultrasound technology is rapidly progressing and diagnosis is more accurate.
B. Fetal surgery can repair defects in the lungs and heart.
C. In vitro fertilization is becoming more accessible and successful.
D. This approach has been used to correct certain heritable disorders in animals.
Answer: D
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Indicate whether the statement is true or false
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