Questions 1. List the phenotypes and expected proportions of the F, flies from Exercise II.Scenario 1: vestigial gene is on chromosome 2NonrecombinantDnenotyPeRecombinantDhenotyRe[Cht vgte] wild type[ cntvgte] E bonyCcn Vg e] Cinnabar, vegista lCentvget] vegiętealCinnabor, vegistal, ebonyScenario 2: vestigial gene is on chromosome 32. What are the main differences between the two scenarios regarding the F, flies?3. Which chromosome is the vestigial gene on? Then you would backcross the F, flies to the recessive flies, and observe the F, progeny numbers. Inorder to predict the progeny ratios, we need to consider two different scenarios: 1) vestigial gene ison chromosome 2 with cinnabar and 2) vestigial gene is on chromosome 3 with ebony. In order tohelp you get started, Figure 3.6 illustrates the P and F, generations for each scenario.If the vestigial gene is on chromosome 2 with cinnabar:a.P generationcn* vg*ete*cn vg*cn vgcn vgееbackcross the female F,flies with recessive parentF, generationcn* vg*e*ecn vgcn vgcn vgееFa?b. If the vestigial gene is on chromosome 3 with ebony:generationet vg*et vg*e vge vgcn*cn+ xcn cnbackcross the female F,flies with recessive parentF, generationet vg*e vge vge vgcn*cncn cnFigure 3.61. Using your whiteboard complete Figure 3.6 by listing the phenotypes and the expectedproportions of the F, flies for each scenario (you should have 8 phenotypic classes). Then transferthe information to #1 in the Data Sheet. Note: For the linked genes, you will not be able topredict exact progeny ratios, because recombination is a stochastic process. Rather you canonly state whether you would expect a lower or higher number of progeny, because we expectrecombination to happen rarely when genes are closely linked.2. Looking at your F, flies for each scenario, what are the main differences? Answer this question in#2 of your Data Sheet.3. Now let's work with some data. Suppose you obtained the following flies in your F, generation.Based on this data, which chromosome is the vestigial gene on? Answer this in #3 on your DataSheet.Phenotype# of fliescinnabar42120cinnabar, ebony, vestigial16ebony, vestigialvestigial33cinnabar, ebony8wild-type114ebony339cinnabar, vestigial328

A dihybrid cross is a cross between two individuals who differ in two features controlled by two…

Answered: n differences betweer

n differences betweer

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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