Genetics Quiz
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LINKAGE, RECOMBINATION & GENE MAPPING
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A plant breeder performs a testcross on a dihybrid tomato plant heterozygous for fruit color (R=red, r=yellow) and fruit shape (O=round, o=ovate). They analyze 100 progeny and obtain the following results: 43 red, round; 41 yellow, ovate; 9 red, ovate; 7 yellow, round. What is the most likely configuration of alleles on the chromosomes of the dihybrid parent?
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