高一生物必修2第1-4章测试题答案

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1、高二生物必修2第1-4章测试题第一卷选择题（共50分）一、单选题（2分×25=50分）1.在一对相对性状的杂交实验中，子一代（F1）未表现出来的那个亲本的性状叫A．显性性状B．性状分离C．相对性状D．隐性性状2．关于染色体、DNA、基因关系的叙述正确的是A．DNA是染色体的唯一成分B．一个DNA分子上只有一个基因C．基因是DNA分子上有遗传效应的片段D．三者的基本结构单位都是脱氧核苷酸高矮3．两株高茎豌豆杂交，后代高茎和矮茎的比例如图所示，则亲本的基因型为A．GG×ggB．GG×GgC．Gg×GgD．gg×gg1234567男患者女患者4．下图为患红绿色盲的某家族系谱图，该病为

2、X染色体隐性遗传病，图中一定不带该致病基因的个体是A．1号B．2号C．3号D．4号5.先天性聋哑是由隐性基因控制的遗传病。双亲表现型正常，生了一个患该病的孩子，若再生一个孩子患该病的可能性是A．100%B．75%C．50%D．25%6.基因型分别为aaBbCCDd和AABbCCdd两种碗豆杂交，其子代中纯合体的比例为　（　　　）A．0B．1/4C1/8．D．1/167.基因型为AaBb（这两对基因不连锁）的水稻自交，自交后代中两对基因都是纯合的个体占总数的　（　　　）A．2/16B．4/16C．6/16D．8/168.豌豆灰种皮（G）对白种皮（g）为显性，黄子叶（Y）对绿子叶（

3、y）为显性。每对性状的杂合体（F1）自交后代（F2）均表现3∶l的性状分离比。以上子叶颜色的分离比和种皮颜色的分离比分别来自对以下哪代植株群体所结种子的统计？　（　　　）A．F1植株和F1植株B．F2植株和F2植株C．F1植株和F2植株D．F2植株和F1植株customerqualificationpreliminaryexaminationofthematerialoftheborrowerfortheloanperson,determinewhetheryoumeettheloanconditions(standardspecificationfordetailsofthe

4、conditionsthefifthchapter"5.1loansandborrowerconditions").3.agreeloanpersondecidestoaccept,accordingtointerviews...First,thejurisdictionoftheheadoffice,branchesandriskmanagement,operationalmanagementshouldbestrengthenedontheBankpersonalloanmonitoring,inspection,managementandguidance.Second,r

5、elatedpersonnelirregularities,accordingtoqilubankcreditsoperationalresponsibilityandaccountabilityforimplementationandtheqilubankemployeeviolationsofregulationsdealingwithregulationsandotherrelevantrulesofpunishmentandaccountability.9.Accordingtofile,andrelatedsystemfile9.1accordingtofilea,a

6、ndloanGeneralII,andpersonalloanmanagementprovisionalapproach9.2relatedsystemfileqiluBankpersonalloanmanagementapproach10.recordstablesinglerecordstablesingle1:personalloancustomertalkrecordrecordstablesingle2:personalborrowingapplicationsrecordstablesingle3:personalloanincomeprovedrecordstab

7、lesingle4:personalloansurveydeclaredtablerecordstablesingle5:authorizedAttorney(sample)recordstablesingle6:Personalmosthighborrowingsupportwithapplicationapprovaltablerecordstablesingle7:personalsinglepencycleborrowingapplicationapprovaltablerecord