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There are 3 alleles controlling the ABO bloodtypes

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Having problems w this problem set. Can someone help?;Attachment Preview;Genetic Worksheet.wiz Download Attachment;1;INETLab;GeneticsWorksheetReportTemplate;Student;Email;Date;Foreachcorrectlyconductedgeneticsproblem,youreceive5pointsforamaximum20points.AllPunnettsquaresmust;beshown.;1.Thereare3allelescontrollingtheABObloodtypes.IAandIBarecodominantgenessothatthecombinationIAIB;producestheABbloodtype.Thethirdallele,(i)isrecessivetotheothertwoalleles.Showyourworkforeachcross.;Indicatewhichoftheseparentscouldproducethegivenchild.;Thefirstoneisprovidedwithanswersasanexample.;(HINT:Donotforgetthataheterozygousversusahomozygousbloodtypemayyielddifferentresults.);a);Parent;AxAB;Child;IB;B;IA;IA;IAIA;IAIB;IA;IAIA;IAIB;IA;IB;IA;IAIA;IAIB;i;IAi;IBi;ProduceChildofType?;No;ProduceChildofType?;AccessLearningSystems;2;b);Parent;Child;AxO;A;ProduceChildofType?;ProduceChildofType?;AccessLearningSystems;3;c);Parent;Child;AxB;O;ProduceChildofType?;ProduceChildofType?;ProduceChildofType?;ProduceChildofType?;d);Parent;Child;AxAB;O;AccessLearningSystems;4;ProduceChildofType?;ProduceChildofType?;AccessLearningSystems;5;e);Parent;Child;BxB;O;ProduceChildofType?;ProduceChildofType?;ProduceChildofType?;f);Parent;Child;ABxAB;A;ProduceChildofType?;AccessLearningSystems;6;2.Thealleleforalbinism(a)isrecessivetotheallelefornormalpigmentation(A).Anormallypigmented womanwhose;fatherisanalbinomarriesanalbinomanwhoseparentsarenormal.Theyhavethreechildren,twonormalandone;albino.Givethegenotypesforeachpersonlisted.Proveyouranswer.;8;MaternalGrandmother;Father;6;9;MaternalGrandfather;Mother;Child1;8;7;PaternalGrandmother;5;6;PaternalGrandfather;7;5;4;1;4;3;Relationship;3;2;#;2;1;Child2;9;Genotype(s);Child3;a) Showthecrossofthepaternalgrandparents.;(HINT:Whatmusttheirgenotypesbetoproduceandalbinochild?);b) Whatarethepossiblegenotypesofthematernalgrandmother?;AccessLearningSystems;7;AccessLearningSystems;8;Showthecrossofthemotherandfather.;3.Inhorses,blackcoatcolorisinfluencedbythedominantallele(B),andchestnutcoatcolorbytherecessiveallele(b).;a) Whatcolorhorsewouldyouusetofindoutthegenotypeofablacktrotter?;b) Givethegenotypeandphenotype.Showyourworkanddiscussthereasonyouwouldknowthegenotypeofthe;blackhorse.;PossibleAllelePairingswithHomozygousDominantTrotter;F1offspringprobabilities;PossibleAllelePairingswithHeterozygousTrotter;F1offspringprobabilities;Reasoning;AccessLearningSystems;9;4.InDrosophila,thefruitfly,whiteeyesaredeterminedbyarecessiveXlinkedgene,andthewildtypeornormalbrick;redeyesareduetoitsdominantallele.Usesymbolsofthefollowingtypes:X rY=awhiteeyedmale,XRXR=a;homozygousnormalredfemale.;a) Whatoffspringcanbeexpectedfromacrossofawhiteeyedmaleandahomozygousnormalfemale?;b) ShowthegenotypesandlistthephenotypesoftheF1offspring.;F1Cross;F1offspringprobabilities;Male;Female;RedEyed;WhiteEyed;c) Now,crosstheF1offspring.ShowthegenotypesandlistthephenotypesoftheF 2offspring.;F2Cross;F2offspringprobabilities;Male;RedEyed;WhiteEyed;Female

 

Paper#16498 | Written in 18-Jul-2015

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