REEC2795_10_CBTG_bio10_ch15

《REEC2795_10_CBTG_bio10_ch15》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、CampbellBiology,10e(Reece)Chapter15TheChromosomalBasisofInheritance1)WhenThomasHuntMorgancrossedhisred-eyedF1generationfliestoeachother,theF2generationincludedbothred-andwhite-eyedflies.Remarkably,allthewhite-eyedfliesweremale.Whatwastheexplanationforthisresult?A)Thegeneinvolve

2、disontheYchromosome.B)ThegeneinvolvedisontheXchromosome.C)Thegeneinvolvedisonanautosome,butonlyinmales.D)Othermale-specificfactorsinfluenceeyecolorinflies.Answer:BBloom'sTaxonomy:Knowledge/ComprehensionSection:15.12)Whichofthefollowingisthemeaningofthechromosometheoryofinherita

3、nceasexpressedintheearlytwentiethcentury?A)Individualsinheritparticularchromosomesattachedtogenes.B)Mendeliangenesareatspecificlocionthechromosomeand,inturn,segregateduringmeiosis.C)Nomorethanasinglepairofchromosomescanbefoundinahealthynormalcell.D)Naturalselectionactsoncertain

4、chromosomearraysratherthanongenes.Answer:BBloom'sTaxonomy:Knowledge/ComprehensionSection:15.13)Malesaremoreoftenaffectedbysex-linkedtraitsthanfemalesbecause_____.A)malehormonessuchastestosteroneoftenaltertheeffectsofmutationsontheXchromosomeB)femalehormonessuchasestrogenoftenco

5、mpensatefortheeffectsofmutationsontheXchromosomeC)XchromosomesinmalesgenerallyhavemoremutationsthanXchromosomesinfemalesD)malesarehemizygousfortheXchromosomeAnswer:DBloom'sTaxonomy:Knowledge/ComprehensionSection:15.24)SRYisbestdescribedas_____.A)agenepresentontheXchromosomethat

6、triggersfemaledevelopmentB)anautosomalgenethatisrequiredfortheexpressionofgenesontheYchromosomeC)ageneregionpresentontheYchromosomethattriggersmaledevelopmentD)anautosomalgenethatisrequiredfortheexpressionofgenesontheXchromosomeAnswer:CBloom'sTaxonomy:Knowledge/ComprehensionSec

7、tion:15.216Copyright©2014PearsonEducation,Inc.5)Incats,blackfurcoloriscausedbyanX-linkedallele;theotheralleleatthislocuscausesorangecolor.Theheterozygoteistortoiseshell.Whatkindsofoffspringwouldyouexpectfromthecrossofablackfemaleandanorangemale?A)tortoiseshellfemales;tortoisesh

8、ellmalesB)blackfemales;orangemalesC)tortoiseshellfemal