TEST BANK FOR GENETICS FROM G
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ENES TO GENOMES 6TH EDITIONBY
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HARTWELL
Genetics From Genes To Genomes 6th EditionHa
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rtwellTestBank s s
Hartwell
Chapters1s Genetics:sThesStudysofsBiologicalsInformation
1) HowsdoessDNAsstructuresrelatestositssfunction?
- ThesordersofsnucleotidessinsasDNAsstrandsspecifiessthesordersofsaminosacidssin
ap
Isssssrotein.
2) WhatsissasdifferencesbetweensthesstructuresofsDNAsandsproteins?
- DNAsisscomposedsofsnucleotidessandsproteinssarescomposedsofsaminosacids.
3) Asgenomescansbesbestsdescribedsas
- thesDNAsinsallschromosomessinsascell.
4) WhatsissthesdifferencesbetweensthesfunctionsofsDNAsandsthesfunctionsofsproteins?
- DNAsstoressgeneticsinformationsandsproteinssperformsmostscellularsfunctions.
5) Whichsstatementssupportssthestheorysthatsallsorganismssaresrelated?
- Thesgeneticscodesissalmostsuniversal.
6) Newsgenessaresthoughtstosarisesbyswhichsmechanism?
- Genesduplicationsfollowedsbysdivergencesduestosmutation.
7) Whatsissthesmostslikelyswaysasmutationsinsonesgenescansconvertsonesbodyspartsto
TESTsBANKsFORsGENETICSsFROMs GENESsTOsGENOMESs6THsEDITIONsBYsHARTWELL
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another?
- Thesmutatedsgenesencodessasproteinsthatsaffectssthesexpressionsofsmanysother
genes.
8) Asrecentstechnicalsadvancementsthatshassacceleratedsthesstudysofsgenomessissthesa
bilityto
- sequenceslargescomplexsgenomessrapidlysandsinexpensively.
9) Whatsissthesdifferencesbetweensgeneticsdissectionsandsgenomessequencing?
- Geneticsdissectionsrevealssinformationsaboutsonesgenesatsastimesandsgen
omesequencingsrevealssinformationsaboutsallsthesgenessinsasgenomesatsonce.
10) Currently,swhatsinformationscansbesobtainedsfromssequencingsansindividual'ssgenome?
- Informationsaboutsgenesvariantssthatspredisposesaspersonstosasdisease,ssuchs
ascIsssancer.
11) Whichsissnotsaspotentialsproblemsofsallowingsthesgenomicssequencessofsindividualsst
obecomeswidelysavailable?
- Advancessleadingstoshealthierslivessforssomespeople.
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12) OnesstrandsofsDNAshassthessequences5′sGGTCTAs3′.sWhatsissthessequencesofsthesotherst
rand?
- 5′sTAGACCs3′
13) WhichsstatementsisstruesaboutsthesstructuresofsDNA?
- ThestwosstrandssofsasDNAsmoleculesaresheldstogethersbysbasespairing.
14) Thessizesofsthesmouses(M.smusculus)sgenomesiss2700smegabasess (Mb)s ands itscontains
sabouts25,000sgenessarrangedsons40schromosomes.sIfsthesgenessaresevenlysdistributedsons
chromosomessinsthesmouse,swhatsissthesaveragesnumbersofsgenessperschromosome?
-s625
15) Whichsstatementsaboutsthesstructuresofsproteinssissfalse?
- Mostsproteinssconsistsofstwosaminosacidspolymerssattachedstogethersbyshydrogensb
onding.
16) WhichsissasstructuralsfeaturessharedsbysDNA,sRNA,sandsproteins?
- Thesordersofsmonomerssissimportantsforsfunction.
17) AssegmentsofsasproteinshassthesaminosacidssequencesSer—Gly—
Leu.sIssitspossiblestoinfersthessequencesofsthesRNAsthatsencodessthissaminosacidssequence?
No;smoresthansonestypesofsRNAs(moresthansonesbasessequence)scouldsencodesthissa
minoacidssequence.
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18) AssequencesofsbasessinsthesmiddlesofsansRNAsusedstosencodesaspolypeptideshassthessequ
encesUUA—AUG—
CGU.sIssitspossiblestosinfersthessequencesofsthesaminosacidssencodedsbysthissRNA?
- Yes,sthessequencesissLeu—Met—Arg.
19) Mutationsofsasmousesgenesresultssinsmicesthatslacksheartsmuscle.sWhatscharacteristics
wouldsyousexpectstosfindsinsashumansgenesthatshassascommonsoriginswithsthissmousesgene
?
- Theshumansandsmousesgenesswillsspecifysproteinsswithssimilarsaminos
acidsequences.
20) Asmousesgeneswassidentifiedsandsdeterminedstosbesrequiredsforsformationsofshearts
muscle.sAsgeneswithsassimilarssequenceswassidentifiedsinstheshumansgenome.sWhatsexp
erimentscouldsscientistssdostosdeterminesifsthesmousesandshumansgenesshavessimilarfu
nctions?
- Thesscientistscouldsplacesthesnormalshumansgenesintosmutantsmicestosseesifsh
eartmusclesformssinsthesmouse.
TESTsBANKsFORsGENETICSsFROMs GENESsTOsGENOMESs6THsEDITIONsBYsHARTWELL