Question 1 Being able to associate a QTL with a marker relies on linkage. Suppose researchers genotype a population for two marker loci that they think are on the same chromosome. Using these two markers they notice that out of 1,000 genotypes, there were 53 recombinant individuals. a) Make a conservative estimate of how far apart the two loci are. b) Presuming these are mammals, how many DNA bases does this distance represent?

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