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Why do we so frequently use mutant alleles to determine structure and/or function of the wild type?
Q4: During gametogenesis, what percentage of gametes would
Q13: If bacteria are infected with a bacteriophage
Q25: In negative control, what molecule would you
Q33: In the construction of a YAC library,
Q39: If you wish to rid an experimental
Q40: The movement of genes from one species
Q41: Segmentation genes in Drosophila act in which
Q47: You wish to prevent transcription of all
Q50: What substance, in different concentrations, directs developmental
Q55: What did Okazaki's discovery of the short