True Breeding: Definition & Variety - Video & Lesson Transcript

True breeding means that the parents will also pass down a specific phenotypic trait to their offspring. 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TrueBreedingiswhereparentspassdownaspecifictraitthatappearsintheirdescendants.Examinehowthisiscrucialtoselectivelybreedingplantsoranimals,andinproducinggeneticvarietythroughMendel'sexperiements. Updated:09/15/2021 Createanaccount GregorMendel&InheritanceExperiments.GregorMendelwasamonkwhoseworkinthefieldofgeneticshasearnedhimthemoniker'FatherofModernGenetics.'Itwasn'tuntilafterhisdeath,though,thatmanyofhisideasandwritingscameoutinthescientificfield.Mendel'sexperimentswithtruebreedingpeaplantsledustoadeeperunderstandingofhowandwhyparentspassonspecifictraitstotheiroffspring.Mendelusedtruebreedingpeaplantsforacertaintrait.Hewouldthencrossthemandseewhattheresultingoffspringlookedlike.HefoundthattheresultingoffspringALWAYSlookedlikejustoneoftheparents,notacombinationofthetwo.HewasabletoascertainthatthiswouldalwaysoccurintheF1generationofoffspringforanytruebreedingparentalgeneration(P)foranyspecifictrait. Anerroroccurredtryingtoloadthisvideo. Tryrefreshingthepage,orcontactcustomersupport. YoumustcCreateanaccounttocontinue watching Registertoviewthislesson Areyouastudentorateacher? Iamastudent Iamateacher CreateYourAccountToContinueWatching Asamember,you'llalsogetunlimitedaccesstoover84,000 lessonsinmath,English,science,history,andmore.Plus,getpracticetests,quizzes,andpersonalizedcoachingtohelpyou succeed. Getunlimitedaccesstoover84,000lessons. Tryitnow Itonlytakesafewminutestosetupandyoucancancelanytime. Alreadyregistered?Loginherefor access  Back WhatteachersaresayingaboutStudy.com Tryitnow Alreadyregistered? Loginhereforaccess Comingupnext: WhatisaPointMutation?-Definition,Causes&Types You'reonaroll.Keepupthegoodwork! TakeQuiz Watch NextLesson  Replay Justcheckingin.Areyoustillwatching? Yes!Keepplaying. Yournextlessonwillplayin 10seconds 0:01GregorMendel&… 0:54TrueBreedng:What'sItMean? 2:01TheImportanceofTrue… 2:40LessonSummary Save Save Save Wanttowatchthisagainlater? LoginorsignuptoaddthislessontoaCustomCourse. LoginorSignup Timeline Autoplay Autoplay Speed Speed 28Kviews Video Quiz Course 28K views TrueBreeding:What'sItMean?Truebreedingmeansthattheparentswillalsopassdownaspecificphenotypictraittotheiroffspring.Rememberthataphenotypeistheoutwardappearanceofsomething.Truebredorganismswillhaveapuregenotype(geneticexpressionofatrait)andwillonlyproduceacertainphenotype.Truebredissometimesalsocalledpurebred. Ifyoutaketwotruebreedingpeaplants-say,onethatisyellowandonethatisgreen-andcrossthem,youwouldendupwithonlyyellowoffspring.Thisisbecausethedominantcolorisyellow.Mendelusedexperimentssuchasthesetoexplaininheritance.ThetruebreedingyellowplantonlyhasaYYgenotype,whilethegreencarriestheyyforgreen.Whentheycross,everyoffspringcarriesaYy,whichcausestheY,thedominate,resultinginonlyyellowplants.TheImportanceofTrueBreedingAsMendelwouldhavenoted,someorganismshavetruebredgenotypes,inthattheyonlycarrygenesforaspecificphenotype.Astheybreedwithotherindividualsofdifferentphenotypesandgenotypes,weareleftwithoffspringofthesamephenotype.Whentruebreedingindividualsarebredwithothertruebreedingindividualsofadifferentphenotype,theresultingoffspringwillhaveahybridgenotypeandexpressonlythedominantphenotype.Asyoucontinuetobreed,youendupproducingoffspringwithdifferentphenotypesandgenotypes.Itgetsalittlebitontheconfusingside.LessonSummaryGregorMendelconductedexperimentswithtruebreedingpeaplantsthatledustoadeeperunderstandingofhowandwhyparentspassonspecifictraitstotheiroffspring.Hefoundthattheresultingoffspringalwayslookedlikejustoneoftheparents.Truebreedingiswheretheparentswillpassdownaspecificphenotypictraittotheiroffspring.Aphenotypeistheoutwardappearanceofsomething,whilethegenotypeisthegeneticexpressionofatrait. TounlockthislessonyoumustbeaStudy.comMember. Createyouraccount Registertoviewthislesson Areyouastudentorateacher? Iamastudent Iamateacher UnlockYourEducation Seeforyourselfwhy30millionpeopleuseStudy.com BecomeaStudy.commemberandstartlearningnow. BecomeaMember Alreadyamember?LogIn  Back WhatteachersaresayingaboutStudy.com Tryitnow Alreadyregistered? Loginhereforaccess Createanaccount TrueBreeding:Definition&Variety Starttoday.Tryitnow Science / HighSchoolBiology:HomeworkHelpResource HighSchoolBiology:HomeworkHelpResource 36chapters| 435lessons {{courseNav.course.topics.length}}chapters| {{courseNav.course.mDynamicIntFields.lessonCount}}lessons |{{course.flashcardSetCount}} flashcardset{{course.flashcardSetCoun>1?'s':''}} Ch1. ScienceBasics:HomeworkHelp Goto ScienceBasics:HomeworkHelp Ch2. BasicScienceLabSkills:Homework... Goto BasicScienceLabSkills:HomeworkHelp Ch3. InorganicChemistryReviewforHigh... Goto InorganicChemistryReviewforHighSchoolBiology:HomeworkHelp Ch4. IntroductiontoOrganicChemistry:... Goto IntroductiontoOrganicChemistry:HomeworkHelp Ch5. EnzymaticBiochemistry:Homework... Goto EnzymaticBiochemistry:HomeworkHelp Ch6. CellBiology:HomeworkHelp Goto CellBiology:HomeworkHelp Ch7. RequirementsofBiologicalSystems:... Goto RequirementsofBiologicalSystems:HomeworkHelp Ch8. CellCommunication:Homework... Goto CellCommunication:HomeworkHelp Ch9. MetabolicBiochemistry:Homework... Goto MetabolicBiochemistry:HomeworkHelp Ch10. CellDivision:HomeworkHelp Goto CellDivision:HomeworkHelp Ch11. NucleicAcids-DNAandRNA:Homework... Goto NucleicAcids-DNAandRNA:HomeworkHelp Ch12. DNAReplication-ProcessesandSteps:... Goto DNAReplication-ProcessesandSteps:HomeworkHelp Ch13. TheTranscriptionandTranslation... Goto TheTranscriptionandTranslationProcess:HomeworkHelp Ch14. Genetics-PrinciplesofHeredity:HomeworkHelp Genetics:Heredity,Traits&Chromosomes 6:56 PropertiesofAlleles 5:21 Mendel'sFirstLaw:TheLawofSegregation 5:16 ApplicationofMendel'sFirstLaw 10:51 Mendel'sSecondLaw:TheLawofIndependentAssortment 6:44 Mendel'sDihybridCrossExample:Practice&Ratio 5:53 ExceptionstoSimpleDominance:CodominanceandIncompleteDominance 10:06 ExceptionstoIndependentAssortment:Sex-LinkedandSex-LimitedTraits 9:05 CrossingOver&GeneLinkage:Definition,Importance&Results 9:08 HumanGenetics:MultifactorialTraits&ModelOrganisms 8:13 CompleteDominance:Definition&Examples 5:06 GeneFlow:Definition&Examples 5:52 GeneticPhysicalTraits:Definition&Examples TrueBreeding:Definition&Variety 3:32 Goto Genetics-PrinciplesofHeredity:HomeworkHelp Ch15. GeneticMutations:HomeworkHelp Goto GeneticMutations:HomeworkHelp Ch16. DNATechnologyandGenomics:Homework... Goto DNATechnologyandGenomics:HomeworkHelp Ch17. BacterialBiologyOverview:Homework... Goto BacterialBiologyOverview:HomeworkHelp Ch18. IntroductiontoViruses:Homework... Goto IntroductiontoViruses:HomeworkHelp Ch19. TheOriginoftheUniverseandLifeon... Goto TheOriginoftheUniverseandLifeonEarth:HomeworkHelp Ch20. GeologicTime:HomeworkHelp Goto GeologicTime:HomeworkHelp Ch21. EvolutionOverview:Homework... Goto EvolutionOverview:HomeworkHelp Ch22. PhylogenyandtheClassificationof... Goto PhylogenyandtheClassificationofOrganisms:HomeworkHelp Ch23. PlantBiology:HomeworkHelp Goto PlantBiology:HomeworkHelp Ch24. PlantReproductionandGrowth:Homework... Goto PlantReproductionandGrowth:HomeworkHelp Ch25. IntroductiontoFungi:Homework... Goto IntroductiontoFungi:HomeworkHelp Ch26. IntroductiontoInvertebrates:Homework... Goto IntroductiontoInvertebrates:HomeworkHelp Ch27. IntroductiontoVertebrates:Homework... Goto IntroductiontoVertebrates:HomeworkHelp Ch28. DigestiveSystem&OtherSystems:... Goto DigestiveSystem&OtherSystems:HomeworkHelp Ch29. TheNervous,Immune,andEndocrine... Goto TheNervous,Immune,andEndocrineSystems:HomeworkHelp Ch30. AnimalReproductionandDevelopment:... Goto AnimalReproductionandDevelopment:HomeworkHelp Ch31. HumanReproductiveSystems:Homework... Goto HumanReproductiveSystems:HomeworkHelp Ch32. EcologyandtheEnvironment:Homework... Goto EcologyandtheEnvironment:HomeworkHelp Ch33. HumanEffectsontheEnvironment:... Goto HumanEffectsontheEnvironment:HomeworkHelp Ch34. AnimalBehavior:HomeworkHelp Goto AnimalBehavior:HomeworkHelp Ch35. BasicMolecularBiologyLaboratory... Goto BasicMolecularBiologyLaboratoryTechniques:HomeworkHelp Ch36. AnalyzingScientificData:Homework... Goto AnalyzingScientificData:HomeworkHelp TrueBreeding:Definition&VarietyRelatedStudyMaterials RecommendedLessonsandCoursesforYou RelatedLessons RelatedCourses RelatedLessons MultipleAlleles|Properties&Examples HowMaternal-EffectGenesControlEarlyDrosophilaDevelopment PolyploidyinPlants&Animals:Speciation&Cells SimpleDominance|Dominantvs.RecessiveAlleleMeaning&Examples WhatisaBarrBody? GeneticVariationinMeiosis|Concept,Function&Significance HaplosufficientGenesandInheritancePatternsofLethalAlleles CytoplasmicDeterminants&SignalInduction IndependentAssortment:Examples|WhatistheLawofIndependentAssortmentinGenetics? PGenerationOverview&Experiments|WhatistheParentalGeneration? OswaldAvery:Experiment&Discovery MissenseMutation|Concept,Examples&Variant Allelevs.Gene|WhatistheDifferenceBetweenaGene&anAllele? ThomasHuntMorgan'sFruitFlyExperiment GeneTypes&Examples|Homologous,Orthologous&Paralogous WhatisaMitoticSpindle?|MitoticSpindleFormation&Role PolyploidyNumber&Types|WhatisPolyploidy? 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