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为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行:andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)第2节孟德尔的豌豆杂交实验(二)第一部分1.(2012江西临川一中冲刺模拟)矮牵牛花瓣中存在合成红色和蓝色色素的生化途径(如下图所示,A.B.E为控制相应生化途径的基因)。矮牵牛在红色和蓝色色素均存在时表现为紫色,二者均不存在时表现为白色。若一亲本组合杂交得F1,F1自交产生F2的表现型及比例为紫色:红色:蓝色:白色=9:3:3:1,则下列说法不正确...的是:A.亲本基因型为AABBEE×aaBBee或AABBee×aaBBEEB.本实验无法判断A.B基因遗传是否符合自由组合定律C.F2中蓝色矮牵牛花自交,其后代中纯合子的概率为2/3D.F2中紫色个体与白色个体杂交,不会出现白色个体2.(2012安徽省城名校联考)纯合高茎豌豆和矮茎豌豆杂交得到F1,让F1自交,在F1植株上结的一个豆荚内有4粒豌豆种子。针对这4粒豌豆种子的相关叙述中正确的是A.4粒豌豆种子胚的基因型一定相同B.4粒豌豆种子的种皮性状完全相同C.4粒豌豆种子种皮的基因型与豆荚的基因型不完全相同D.若4粒豌豆种子的基因型相同,则种植后长成的植株茎高矮一致3.(2012陕西宝鸡第二次模拟)豌豆子叶的黄色(Y)对绿色(y)为显性,种子圆粒(R)对皱粒(r)为显性。某人用黄色圆粒和绿色皱粒豌豆杂交,再将得到的F1分别与绿色皱粒豌豆杂交,得到的结果如图所示,这个黄色圆粒豌豆的基因型是A.YYRRB.YyRrC.YYRrD.YyRR4.(2012安徽省城名校联考)两对相对性状的基因自由组合,如果F2的性状分离比分别为9:7和9:6:1和15:1,那么F1与隐性个体测交,与此对应的性状分离比分别是A.1:3、1:2:1和3:1B.3:1、4:1和1:3C.1:2:1、4:1和3:1D.3:1、3:1和1:45.(2012安徽省城名校联考)玉米是一种雌雄同株的植物,正常植株的基因型为A_B_,其顶部开雄花,下部开雌花;基因型aaB_的植株不能长出雌花而成为雄株;基因型为A_bb或aabb植株的顶端长出的是雌花而成为雌株(两对基因位于两对同源染色体上)。育种工作者选用上述材料做亲本,杂交后得到下表中的结果。则所有亲本的基因型结合是A.aaBb×Aabb或AaBb×aabbB.AaBb×Aabb或AaBb×aabbC.aaBb×AaBb或AaBb×Aahb为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行:andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)D.aaBb×aabb或Aabb×aabb6.(2012陕西宝鸡质量检测三)已知某哺乳动物棒状尾(A)对正常尾(a)为显性,直毛(B)对卷毛(b)为显性,黄色毛(R)对白色毛(r)为显性.雌性个体无论基因型如何,均表现为白色毛:三对基因位于三对常染色体上,以下相关叙述正确的是A.黄色毛的基因型为RR或Rr,白色毛的基因型为rrB.aarr×AARR交配,子代中雄性个体均为黄色毛,雌性个体均为白色毛C.如果一只黄色个体与一只白色个体交配,生出一只白色雄性个体,则黄色个体一定为母本,白色个体一定为父本D.基因型为AaBbRr的雌雄个体自交,子代雌雄个体表现型种类均为8种7.(2012江苏南通第二次调研)二倍体结球甘蓝的叶子有紫色和绿色两种,该性状的遗传与两对等位基因有关。为探究二倍体结球甘蓝叶色的遗传规律,进行了如右图所示的杂交实验。F:紫色叶结球甘蓝中,自交后代全为紫色叶的个体所占的比例为A.5/8B.5/16C.7/16D.7/158.(2012北京顺义第二次统练)下图是具有两种遗传病的家族系谱图,设甲病显性基因为A,隐性基因为a;乙病显性基因为B,隐性基因为b。若II-7为纯合体,下列说法正确的是A.甲病致病基因是常染色体上隐性遗传病B.II-5既不携带甲病基因也不携带乙病基因C.II-3个体的基因型可能是aaBBD.III-10是纯合体的概率是2
本文标题:第2节孟德尔的豌豆杂交实验1
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