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1、Mendel'sPaperinEnglishExperimentsinPlantHybridization(1865)byGregorMendelReadatthemeetingsofFebruary8th,andMarch8th,1865[1]IntroductoryRemarksExperienceofartificialfertilization,suchasiseffectedwithornamentalplantsinordertoobtainnewvariationsincolor,hasledtotheexperimentswhichwillherebediscus
2、sed.Thestrikingregularitywithwhichthesamehybridformsalwaysreappearedwheneverfertilizationtookplacebetweenthesamespeciesinducedfurtherexperimentstobeundertaken,theobjectofwhichwastofollowupthedevelopmentsofthehybridsintheirprogeny.Tothisobjectnumerouscarefulobservers,suchasKölreuter,Gärtner,He
3、rbert,Lecoq,Wichuraandothers,havedevotedapartoftheirliveswithinexhaustibleperseverance.GärtnerespeciallyinhisworkDieBastarderzeugungimPflanzenreiche,hasrecordedveryvaluableobservations;andquiterecentlyWichurapublishedtheresultsofsomeprofoundinvestigationsintothehybridsoftheWillow.That,sofar,n
4、ogenerallyapplicablelawgoverningtheformationanddevelopmentofhybridshasbeensuccessfullyformulatedcanhardlybewonderedatbyanyonewhoisacquaintedwiththeextentofthetask,andcanappreciatethedifficultieswithwhichexperimentsofthisclasshavetocontend.Afinaldecisioncanonlybearrivedatwhenweshallhavebeforeu
5、stheresultsofdetailedexperimentsmakeonplantsbelongingtothemostdiverseorders.Thosewhosurveytheworkdoneinthisdepartmentwillarriveattheconvictionthatamongallthenumerousexperimentsmade,notonehasbeencarriedouttosuchanextentandinsuchawayastomakeitpossibletodeterminethenumberofdifferentformsunderwhi
6、chtheoffspringofthehybridsappear,ortoarrangetheseformswithcertaintyaccordingtotheirseparategenerations,ordefinitelytoascertaintheirstatisticalrelations.Itrequiresindeedsomecouragetoundertakealaborofsuchfar-reachingextent;thisappears,however,tobetheonlyrightwaybywhichwecanfinallyreachthesoluti
7、onofaquestiontheimportanceofwhichcannotbeoverestimatedinconnectionwiththehistoryoftheevolutionoforganicforms.Thepapernowpresentedrecordstheresultsofsuchadetailedexperiment.Thisexperimentwaspracticallyconfinedtoasmallplantgroup,andisnow,aftere