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1、Mendel"sPaperinEnglishExperimentsinPlantHybridization(1865)byGregorMendelReadatthemeetingsofFebruary8th,andMarch8th,1865[1]IntroductoryRemarksExperienceofartificialfertilization,suchasiseffectedwithornamentalplantsinordertoobtainnewvariationsincolor,hasledtotheexperimentswhichwi
2、llherebediscussed.Thestrikingregularitywithwhichtheseimehybridformsalwaysreappearedwheneverfertilizationtookplacebetweenthesamespeciesinducedfurtherexperimentstobeundertaken,theobjectofwhichwastofollowupthedevelopmentsofthehybridsintheirprogeny.Tothisobjectnumerouscarefulobserve
3、rs,suchasKolreuter,Gartner,Herbert,Lecoq,Wichuraandothers,havedevotedapartoftheir1iveswithinexhaustibleperseverance.GartnetespeciallyinhisworkDieBastarderzeugungimPflanzenreiche,hasrecordedveryvaluableobservations;andquiterecentlyWichurapublishedtheresultsofsomeprofoundinvestiga
4、tionsintothehybridsoftheWillow.That,sofar,nogeneral1yapplicable1awgoverningtheformat!onanddevelopmentofhybridshasbeensuccessfullyformulatedconhardlybewonderedatbyanyonewhoisacquaintedwiththeextentofthetask,andcanappreciatethedifficultieswithwhichexperimentsofthisclasshavetoconte
5、nd.Afinaldecisioncanonlybearrivedatwhenweshallhavebeforeustheresultsofdetai1edexperimentsmakeonplantsbelongin百tothemostdiverseorders.Thosewhosurveytheworkdoneinthisdepartmentwillarriveattheconvictionthatamongallthenumerousexperimentsmade,notonehasbeencarriedouttosuchanextentandi
6、nsuchawayastomakeitpossibletodeterminethenumberofdifferentformsunderwhichtheoffspringofthehybridsappear,ortoarrangetheseformswithcerta’intyaccordingtotheirseparategenerations,ordefinitelytoascertaintheirstatisticalrelations.Itrequiresindeedsomecouragetoundertakealaborofsuchfar-r
7、eachingextent;thisappears,however,tobetheonlyrightwaybywhichwecanfinallyreachthesolutionofaquestiontheimportanceofwhichcannotbeoverestimatedinconnectionwiththehistoryoftheevolutionoforganicforms.Thepapernowpresentedrecordstheresultsofsuchadetailedexperiment.Thisexperimentwasprac
8、ticallyconfinedtoasmallplantgroup,andisnow,afte