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Unformatted text preview: 1 and 8 markers? 3 and 5 markers? 3 and 6 markers? You cross an all wild-type strain (NO inversion) to strain A. Draw out how the homologous chromosomes would pair during meiosis in the F1 heterozygote. What would the observed map distance between: 1 and 8 markers? 3 and 5 markers? 3 and 6 markers? B) What is a merozygote and how is it used to analyze the control mechanisms of an operon? C) What is meant by cis and trans when these terms are used to describe regulatory mechanisms within an operon. Give an example of a mutation that is cis-dominant and one that has dominant effects both cis and trans . D) What would be the effect of a frameshift mutation near the N-terminus of the lac repressor protein in E. coli ....
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- Fall '08