Test Bank For the Genetics and Genomics in Nursing and Health Care 2nd Edition by Theresa A Beery, M Linda Workman, Julia A Eggert||ISBN NO:13,978-0803660830||All Chapters||Complete Guide A+

b




20

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, Chapter1:DNAStructureandFunction d d




Multiple Choice
b



Identify thechoice thatbest completes the statement oranswers thequestion.
b b b d d b b




A. 1. In whichbodyor cellarea are most genes inhumans located?
b b b b b b b b b



A. Nucleus
B. Mitochondrion
C. Cytoplasm
D. Plasma membrane b




A. 2. Whichconditionor statement exemplifies the concept ofgenomics rather thangenetics?
b b b b b b d b b b



A. Thegene for insulin is located onchromosome 11 in allpeople. b b b b b b b b



B. Expressionofanysingle gene is dependent oninheriting two alleles. b b b b b b



C. Sex-linked recessivedisordersaffect malesmoreoftenthan females. b b b



D. Oneallele for each gene is inherited fromthe mother, and one is inherited from b b b b b b b b b b b b



the father.
b b




A. 3. What is the purposeofphosphorous ina DNAstrand?
b b b b b b b b b



A. Linking the nucleotides into a strand b b b b b



B. Holding complementarystrands together b b



C. Ensuring that apurine isalways paired with a pyrimidine d b b b b b b b



D. Preventing the separation ofdouble-stranded DNAinto single-stranded DNA b b b b b b




A. 4. What isthe termused to define alternative formsofa gene that mayresult indifferent
b b b b b b b b b b b b b



expression ofthe trait coded forbythat gene?
b b b b b b



A. Alleles
B. Bases
C. Centromeres
D. Diploids

D. 5. What percentageofbases ina stretchofdouble-stranded DNAthat contains 30% guanine
b b b b b b b b b b



(G) baseswould be adenine (A)?
b b b b



A. 70% b



B. 60% b b



C. 30% b



D. 20% b




C. b 6. What is the termused to describe the organized pictureofthe paired chromosomes within a
b b b b b b b b b b b b b



cell used to determinewhether chromosome numbers, structures, and banding patterns
b b b b b b b b b b



are normal?
b b



A. Pedigree
B. Phenotype
C. Karyotype
D. Autotype

D. 7. What would be the sequence ofDNAthat iscomplementaryto a DNAsectionwiththe base
b b b b b b b b b b b b b b



b sequence of GGTCAATCCTTAG? b b



A. GATTCCTAACTGG
B. TTGACCGAAGGCT
C. AACTGGCTTCCGA
D. CCAGTTAGGAATC

, B. 8. Whichofthese complementarybase pairs formthestrongest or “tightest” association?
b b b b b b b



A. Adenineand thymine b b



B. Cytosineand guanine b b



C. Guanineand thymine b b



D. Cytosine and adenine b b




A 9. What activityoccurs during M phase ofthe cellcycle?
b b b b b b b b b



A. Thecellundergoes cytokinesis. b b



B. Activitystops, and the cell “sleeps.” b b b b



C. AllDNA is completelyreplicated. b d b b



D. The cellgreatly increases protein synthesis. b b b b




B. 10. Whichchromosome number represents the euploid statefor normalhuman somatic cells?
b b b b b b b b b b b



A. 44
B. 46
C. 47
D. 48

A. 11. How doestheproteome differ fromthe genome?
b b b b b b



A. Theproteome changes in responseto intracellular and extracellular signals. b b b b b b b



B. Thegenome changes in responseto intracellular and extracellular signals. b b b b b b b



C. Theproteome is stable in somatic cells and unstable ingermcells, whereas b b b b b b b b b b



the genome is stable in both somatic cellsand germcells.
b b b b b b b b b



D. Thegenome is stable insomatic cells and unstable in germcells, whereas b b b b b b b b b b



the proteome is stable in both somatic cells and germcells.
b b b b b b b b b b




C. 12. What isthe mostoutstanding feature ofa mature haploid cell?
b b b b b b b b b b b



A. It is usually homozygous. d b b



B. The sexchromosomes are missing b b b b



C. Onlyone chromosome ofeach pair is present. b b b b b



D. DNAsynthesis occurs after mitosis instead of before. d b b b b b b




D. 13. At what phaseofthe cellcycle are chromosomes visible as separate structures?
b b b b b b b b b b b



A. G1
B. G2
C. S
D. M
B. 14. b Whichstatement about the cellcycle phase ofG0 istrue?
b b d b b b b b



A. Hyperplastic growth inplaceofhypertrophic growth b b b b



B. Performance ofspecific differentiated functions b b b



C. Initiation and completion ofnucleokinesis b b b



D. Replication ofDNA b




B. 15. b b What isthe result ofnormalDNAreplication?
b b b db




A. Formationoftwo new daughter cells b b b



B. Formationoftwo identicalsets ofDNA b b



C. Disappearance oftheoriginalparent cell b b



D. Activationand attachment of spindlefibers b d b