28931.吉林省部分地區(qū)異色瓢蟲鞘翅色斑多態(tài)的群體遺傳學分析

1、東北師范大學碩士學位論文吉林省部分地區(qū)異色瓢蟲鞘翅色斑多態(tài)的群體遺傳學分析姓名：辛海泉申請學位級別：碩士專業(yè)：遺傳學指導教師：孫暉20090501Abstractnelady—bridbeetl，HarmoniaaxyridisPallas，wasmainlynativetoAsiaNowitspreadrapidlyaroundtheworldItisahighlypolymorphicCoccinellidaewithawidege

2、ographicInthepast，muchresearchwasdoneonthebasicbiologyandapplicationofthisspeciesinthebiocontrolofaphidsThepreviousstudiesoftaxonomyandgeneticshavealsobroughtaboutmanypublicationsonthisbeetleTanfoundthattheelytralcolorpo

3、lymorphismsofHarmoniaaxyridisCallheredityandassociatedwithaseriesofmultiplealleles111eotherstudiesalsoshowedthatfrequencydistributionamongthesetypeschangeswimtimeandspaceT【lisimpliesthatthesetypeshavedifferentadaptationt

4、oenvironmentInthispaperweanalyzethestatisticsoftheHarmoniaaxyridispopulation，whichwerecollectedfromthecityofChangchun，Shuangyang，andDunhuain2007and2008Accordingtothestudyoftaxonomythebeetleswerecategorizedintofoursplasht

5、ypes，succineaconspicuaspectabil&andaxyridisW色studythechangeofthegenefrequencyandthephenotypefrequencywiththetimeandcontrastthedifferentiationbetweendifferentareaWegatheredthedeathbeetleswhichcouldnotpassthroughthewintert

6、ocomparetothelivebeetlesbeforethenextwinterAUtheworkabovewehaddoneistofindoutthecorrelatedrelationshipbetweenthegenefrequencyofthespotandthelocalnaturalenvironmentfactors，suchastheclimaticandthelatitudinaleffectWealsodis

7、cussthereasonofthiscorrelationtrendbetweenthegenefrequency(orphenotypefrequency)andthelocalaveragetemperaturefactorsviausingtheregressionanalysisTheconclusionsareasfollows：1InChangchun，111epast20yearshaveshownthattheelyt

8、ralcolorgenefrequencyoftheconspicuahasbeenrising，andtheelytracolorgenefrequencyofthesuccineahasbeendeclining2Thegene—frequencyofeachelytralcolortypemakesnodifferenceduringwinteringperiod3Insmallarea，thegene—frequencyofea

9、chelytralcolorineachwinterclustersisbasicallythesame411lecorrelationbetweenelytralcolorgenefrequency(orphenotypefrequency)andaveragetemperaturevariablesaresignificant5Thefluctuationofelytracolorgenefrequency(orphenotypef