IGCSE›Cambridge IGCSE Biology›Mind mapsAsexual ReproductionCambridge IGCSE Biology: Mind mapStudy pack PDFAlso for this subtopic:Revision notesFlashcardsSubtopic testCover factsWhat is it?One parent onlyNo gametes, no fertilisationOffspring made by mitosisOffspring are genetically identical clonesVersus sexualAsexual: one parent, sexual: two parentsSexual: fusion of two gametes forms a zygoteSexual offspring are genetically differentSexual gametes are made by meiosisExamplesRunners in strawberriesBulbs in daffodilsBudding in yeast and HydraBinary fission in bacteriaAsexualreproductionIn the wildAdvantage: no mate neededAdvantage: colonises an area rapidlyDisadvantage: no variationCannot cope with a new disease or changeIn cropsOffspring keep the desirable characteristicsQuality is guaranteed, fast and cheapWhole crop equally vulnerable to diseaseExam tips'One parent' plus 'identical offspring' means asexualLink no variation to a consequence, e.g. diseaseJustify your answer using the definition