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Unformatted text preview: genes on the same autosome (non-sex chromosome). + + v s x O O v s + + v s All F1: + + The F1 flies are heterozygous for both genes so we are in position to see how often_crossovers between these chromosomes occur in meiosis by doing a test-cross. O v s v s x O + + v s (Note that the progeny v s 458 have distinct phenotypes) v s v s 442 + + v + v s 47 (crossover classes) +++++ shshshshsh 53 v s 100 The distance between vvvvv and sssss = 100 x = 10 cM 1000...
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- Fall '10