Three scientists are using different forms of PCR for their research. Abby wants to determine changes in gene expression levels in a tissue, so she uses ________. Bob is trying to extract genetic information from a wooly mammoth fossil, so he uses ________. Chris needs to express a gene in bacteria that matches the form expressed in kidney cells, so she uses ________.
A. RT-PCR; quantitative RT-PCR; PCR
B. RT-PCR; PCR; quantitative RT-PCR
C. quantitative RT-PCR; PCR; RT-PCR
D. quantitative RT-PCR; RT-PCR; PCR
E. PCR; quantitative RT-PCR; RT-PCR
Answer: C
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