WGUIC652IFinalIExamI(NewI2024/I2025I
Update)IGeneticsIandIHeredity|IPrepI
QuestionsIandIVerifiedIAnswers|I100%I
Correct|IGradeIA
QUESTION
WhenItwoIparents,IeachIofIwhomIisIaffectedIbyIanIautosomalIrecessiveIcondition,Ihav
eIchildren,IeachIofItheIoffspringIwillIbeIsimilarlyIaffected.
a.ITI
b.IF
Answer:
True
QUESTION
MostIaffectedIindividualsIwithIrareItraitsIhaveIphenotypicallyInormalIbutIheterozygousI
parents.
a.ITI
b.IF
Answer:
True
QUESTION
ForItwoIparentsIwhoIareIheterozygousIforIanIautosomalIrecessiveItrait,ItheIriskIofIhavi
ngIanIunaffectedIchildIisI25%IandItheIriskIofIhavingIanIaffectedIchildIisI75%.
a.ITI
b.IF
,Answer:
False
QUESTION
OnlyIoneIparentIneedsItoItransmitIaIrecessiveImutantIalleleIforIaIchildItoIbeIaffected.
a.ITI
b.IF
Answer:
False
QUESTION
consanguinity
Answer:
parentsIwhoIareIrelatedItoIeachIotherI(typicallyIfirstIcousins)
QUESTION
autosomal
Answer:
geneticItraitsIfoundIonIchromosomesI1-22
QUESTION
sickleIcellIanemia
,Answer:
anIoftenIfatal,IrecessiveIgeneticIdisorderIassociatedIwithIabnormalIhemoglobin,Imissha
penIbloodIcellsIandItheIblockageIofIbloodIvessels
QUESTION
CysticIfibrosis
Answer:
anIoftenIfatal,IrecessiveIgeneticIdisorderIassociatedIwithIabnormalIsecretionsIofItheIex
ocrineIglands
QUESTION
HumanItraitsIareIcontrolledIonlyIbyItheIgeneticImaterialIfoundIinItheI46Ichromosomes.
a.ITrueI
b.IFalse
Answer:
False
QUESTION
PhenotypicIvariationIcanIoccurIinItraitsIcontrolledIbyItheIsameIallele.
a.ITrueIb.IFalse
Answer:
True
, QUESTION
AIpedigreeIisIalwaysIableItoIprovideIenoughIinformationItoIruleIoutIallIbutIoneIpossibl
eIpatternIofIinheritance.
a.ITrueIb.IFalse
Answer:
False
QUESTION
MostIofIthoseIaffectedIwithIanIautosomalIdominantIgeneticIdisorderIareIhomozygousIf
orIthatItrait.
a.ITrueIb.IFalse
Answer:
False
QUESTION
MalesIneverIgiveIanIXIchromosomeItoIanyIofItheirIsons.
a.ITrueIb.IFalse
Answer:
True
QUESTION
IfIaIpedigreeIanalysisIsuggestsIthatIanIautosomalIorIX-
linkedIinheritanceIpatternIisIequallyIlikely,IthenIadditionalIgeneticItestingIisIneededItoIi
dentifyItheIpatternIofIinheritance.
a.ITrueIb.IFalse
Update)IGeneticsIandIHeredity|IPrepI
QuestionsIandIVerifiedIAnswers|I100%I
Correct|IGradeIA
QUESTION
WhenItwoIparents,IeachIofIwhomIisIaffectedIbyIanIautosomalIrecessiveIcondition,Ihav
eIchildren,IeachIofItheIoffspringIwillIbeIsimilarlyIaffected.
a.ITI
b.IF
Answer:
True
QUESTION
MostIaffectedIindividualsIwithIrareItraitsIhaveIphenotypicallyInormalIbutIheterozygousI
parents.
a.ITI
b.IF
Answer:
True
QUESTION
ForItwoIparentsIwhoIareIheterozygousIforIanIautosomalIrecessiveItrait,ItheIriskIofIhavi
ngIanIunaffectedIchildIisI25%IandItheIriskIofIhavingIanIaffectedIchildIisI75%.
a.ITI
b.IF
,Answer:
False
QUESTION
OnlyIoneIparentIneedsItoItransmitIaIrecessiveImutantIalleleIforIaIchildItoIbeIaffected.
a.ITI
b.IF
Answer:
False
QUESTION
consanguinity
Answer:
parentsIwhoIareIrelatedItoIeachIotherI(typicallyIfirstIcousins)
QUESTION
autosomal
Answer:
geneticItraitsIfoundIonIchromosomesI1-22
QUESTION
sickleIcellIanemia
,Answer:
anIoftenIfatal,IrecessiveIgeneticIdisorderIassociatedIwithIabnormalIhemoglobin,Imissha
penIbloodIcellsIandItheIblockageIofIbloodIvessels
QUESTION
CysticIfibrosis
Answer:
anIoftenIfatal,IrecessiveIgeneticIdisorderIassociatedIwithIabnormalIsecretionsIofItheIex
ocrineIglands
QUESTION
HumanItraitsIareIcontrolledIonlyIbyItheIgeneticImaterialIfoundIinItheI46Ichromosomes.
a.ITrueI
b.IFalse
Answer:
False
QUESTION
PhenotypicIvariationIcanIoccurIinItraitsIcontrolledIbyItheIsameIallele.
a.ITrueIb.IFalse
Answer:
True
, QUESTION
AIpedigreeIisIalwaysIableItoIprovideIenoughIinformationItoIruleIoutIallIbutIoneIpossibl
eIpatternIofIinheritance.
a.ITrueIb.IFalse
Answer:
False
QUESTION
MostIofIthoseIaffectedIwithIanIautosomalIdominantIgeneticIdisorderIareIhomozygousIf
orIthatItrait.
a.ITrueIb.IFalse
Answer:
False
QUESTION
MalesIneverIgiveIanIXIchromosomeItoIanyIofItheirIsons.
a.ITrueIb.IFalse
Answer:
True
QUESTION
IfIaIpedigreeIanalysisIsuggestsIthatIanIautosomalIorIX-
linkedIinheritanceIpatternIisIequallyIlikely,IthenIadditionalIgeneticItestingIisIneededItoIi
dentifyItheIpatternIofIinheritance.
a.ITrueIb.IFalse