A study is conducted using muscle cells from a particular line of chicken embryos known to carry a gene for the condition of muscular dystrophy. These cells are harvested and grown in the lab environment and the researcher is searching for gene therapies that might cure the condition of muscular dystrophy. What type of study is this?
A. In vitro research
B. In vivo research
C. Cross-sectional research
D. Randomized controlled trial
Answer: A
Health & Biomechanics
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