n n
GENETICS AND n n
GENOMICS IN n n
NURSING AND n n
HEALTH CARE
n
,2ND EDITION
n
BY BEERY
n
, Chapter 1: DNA Structure and Function
n n n n n
MultiplenChoice
Identifynthenchoicenthatnbestncompletesnthenstatementnornanswersnthenquestion.
nnnn A. 1.n Innwhichnbodynorncellnareanarenmostngenesninnhumansnlocated?
A. Nucleus
B. Mitochondrion
C. Cytoplasm
D. Plasmanmembrane
nnnn A. 2.n Whichnconditionnornstatementnexemplifiesnthenconceptnofngenomicsnrathernthanngenetics?
A. Thengenenforninsulinnisnlocatednonnchromosomen11ninnallnpeople.
B. Expressionnofnanynsinglengenenisndependentnonninheritingntwonalleles.
C. Sex-linkednrecessivendisordersnaffectnmalesnmorenoftennthannfemales.
D. Onenallelenforneachngenenisninheritednfromnthenmother,nandnonenisninheritednfromnthenf
ather.
nnnn A. 3.n WhatnisnthenpurposenofnphosphorousninnanDNAnstrand?
A. Linkingnthennucleotidesnintonanstrand
B. Holdingncomplementarynstrandsntogether
C. Ensuringnthatnanpurinenisnalwaysnpairednwithnanpyrimidine
D. Preventingnthenseparationnofndouble-strandednDNAnintonsingle-strandednDNA
nnnn A.
4.nWhatnisnthentermnusedntondefinenalternativenformsnofnangenenthatnmaynresultninndifferentne
xpressionnofnthentraitncodednfornbynthatngene?
A. Alleles
B. Bases
C. Centromeres
D. Diploids
nnnn D. 5.nWhatnpercentagenofnbasesninnanstretchnofndouble-
strandednDNAnthatncontainsn30%nguaninen(G)nbasesnwouldnbenadeninen(A)?
A.n 70%
B.n 60%
C.n 30%
D.n 20%
nnnnC.
6.nWhatnisnthentermnusedntondescribenthenorganizednpicturenofnthenpairednchromosomesnwit
hinnancellnusedntondeterminenwhethernchromosomennumbers,nstructures,nandnbandingnpatternsnarenn
ormal?
A. Pedigree
B. Phenotype
C. Karyotype
D. Autotype
nnnn D.
7.n WhatnwouldnbenthensequencenofnDNAnthatnisncomplementaryntonanDNAnsectionnwit
hnthenbasensequencenofnGGTCAATCCTTAG?
A. GATTCCTAACTGG
B. TTGACCGAAGGCT
C. AACTGGCTTCCGA
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, D. CCAGTTAGGAATC
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