Linkage Mapping Using a Trihybrid Testcross in Fruit FliesRemember the black, purple, and vestigial genes from Exercise 1? Now you're going to have to construct a map of the same region fromtrihybrid testcross data. The new map should be similar to the one from Exercise 1, but it won't be identical because we're starting with anew, independent data set.BLACK PURPLE VESTIGIAL TRIHYBRID TESTCROSSIn the parental generation, you mate a pure-breeding wild-type female (bl+/bl*pu*/pu+vg+/vg+ with a pure-breeding black, purple,vestigial male (bl/bl;pu/pu vg/vg) to produce an F1 generation that is all wild-type (bl/bliput/pu;vg+/vg). Note that the F1 flies are alltrihybrid.Next, you mate several F1 trihybrid females (bl/bl:put/pu;vg+/vg) with tester males, which are black, purple, vestigial (bl/bl;pu/pu;vg/vg).The offspring of this trihybrid testcross are:PhenotypeWild-typeBlack, purple, vestigialVestigialBlack, purplePurple, vestigialBlackPurpleBlack, vestigialbl pu vgbl pu vgGenotype Tester Gamete Trihybrid Gamete Number+/bl;+/pu;+/vgbl pu vgbl/bl;pu/pu;vg/vg+/bl;+/pu;vg/vgbl/bl;pu/pu;+/vg+/bl;pu/pu;vg/vgbl/bl;+/pu;+/vg+/bl; pu/pu;+/vgbl/bl;+/pu;vg/vgbl pu vgbl pu vgbl pu vgbl pu vgbl pu vg+++bl pu vg+ + vgbl pu++ pu vgbl +++ pu +bl + vg233223333383371511712429Athe questions in the worksheet that you downloaded in

Name: Linkage Mapping Using a Trihybrid Testcross in Fruit FliesRemember th
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Description: Linkage Mapping Using a Trihybrid Testcross in Fruit FliesRemember the black, purple, and vestigial genes from Exercise 1? Now you're going to have to construct a map of the same region fromtrihybrid testcross data. The new map should be similar to