In positional cloning, the researcher begins with a phenotype. To move toward identification of its DNA sequence, she must begin with what step?
Correct Answer:
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Q18: A researcher wants to mutagenize an organism.
Q19: Besides the obvious fact that chemical mutagens
Q20: In Drosophila, mutation screening usually involves use
Q21: The GFP gene is useful as a
Q22: In a given situation, reduced or missing
Q24: Reporter genes such as GFP can be
Q25: Libraries of insertion strains can be screened,
Q26: If an experimenter wants to use the
Q27: Suppose a scientist works with a mouse
Q28: A single nucleotide in a genome can
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