State wild type female flies heterozygous

Reference no: EM13178258

Recessive mutations at three linked loci are studied in fruit flies. For the first locus, forked bristles are produced by the recessive allele f. At the second locus, outstretched wings are produced by the recessive allele o. At the third locus, garnet eyes result from the recessive allele g. Wild type female flies heterozygous at all three loci are crossed to wild type males. Data from the progeny were:

Females: all wild type
Males:
57 outstretched, garnet
419 garnet, forked
60 forked
1 outstretched, forked
2 garnet
439 outstretched
13 wild type
9 outstretched, garnet, forked

Using the data from the male offspring, answer the following questions:
a. Which locus is in the middle? outstretched, garnet, or forked (the answer key says forked, but I am not sure how they came to that conclusion)
b. what is the map disance between
outstretched-garnet
outstretched-forked
garnet-forked

c. Illustrate the configuration of the heterozygous female parent. Use plus signs to denote the wildtype alleles at each locus

Reference no: EM13178258

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