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Unformatted text preview: at 25 C, this indicates that this is a _ conditional_____ allele. Sequence analysis of a fourth allele reveals that extra DNA has been inserted into the gene. The mutation is most likely due the insertion of a __transposon_________ _. Surprisingly, the allele in the last mutant, upon careful genetic analysis, reveals that while the worms are uncoordinated, they can now swim, something never observed in wild type. This allele must be a _ _gain-of-function__ mutation. 3. In most organisms, what must happen in order to ensure the proper segregation of homologous chromosomes at the first meiotic division? Homologous recombination...
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- Spring '09