Insertingvnbonevnmarrowvncellsvnintovnanvnindividualvnwhovnproducesvnabnormalvneryth
rocytesvnisvnanvnexamplevnofvnwhatvntypevnofvntherapy?vn-vncorrectvnanswer✔ ✔
Somaticvncell
DNAvnreplicationvnrequiresvnthevnenzymevnDNAvnpolymerasevnto:vn-vncorrectvnanswer
✔ ✔
TravelvnalongvnthevnsinglevnDNAvnstrand,vnaddingvnthevncorrectvnnucleotidevntovnthevn
newvnstrand
Transcriptionvnisvnbestvndefinedvnasvnavnprocessvnbyvnwhich:vn-vncorrectvnanswer✔ ✔
RNAvnisvnsynthesizedvnfromvnavnDNAvntemplate.
ThevnpurposevnofvnavnstainingvntechniquevnofvnchromosomesvnsuchvnasvnGiemsavnisvnto:vn
-vncorrectvnanswer✔ ✔
Allowvnforvnthevnnumberingvnofvnchromosomesvnandvnthevnidentificationvnofvnvariatio
ns.
Anvnamniocentesisvnindicatesvnavnneuralvntubevndefectvnwhenvnanvnincreasevninvnwhichvn
proteinvnisvnevident?vn-vncorrectvnanswer✔ ✔ Alphavnfetoprotein
Anvnamniocentesisvnisvnrecommendedvnforvnpregnantvnwomenvnwho:vn-
vncorrectvnanswer✔ ✔ Havevnavnfamilyvnhistoryvnofvngeneticvndisorders
,Thevnmostvnclinicallyvnusefulvntechniquevnforvnprenatalvndiagnosisvnofvnchromosomalvn
abnormalitiesvnatvn3vnmonths'vn(12vnweeks')vngestationvnis:vn-vncorrectvnanswer✔ ✔
Chorionicvnvillusvnsampling
Thevntermvnforvnanvnerrorvninvnwhichvnhomologousvnchromosomesvnfailvntovnseparatevnd
uringvnmeiosisvnorvnmitosisvnis:vn-vncorrectvnanswer✔ ✔ Nondisjunction
Whichvnclinicalvnmanifestationsvnwouldvnbevnexpectedvnforvnavnchildvnwhovnhasvncompl
etevntrisomyvnofvnthevntwenty-firstvnchromosome?vn-vncorrectvnanswer✔ ✔
AnvnIQvnofvn25vntovn70,vnlowvnnasalvnbridge,vnprotrudingvntongue,vnandvnflat,vnlow-
setvnears
WhatvnisvnthevnmostvncommonvncausevnofvnDownvnsyndrome?vn-vncorrectvnanswer✔
✔ Maternalvnnondisjunction
Whatvnsyndrome,vncharacterizedvnbyvnanvnabsentvnhomologousvnXvnchromosomevnwith
vnonlyvnavnsinglevnXvnchromosome,vnexhibitsvnfeaturesvnthatvnincludevnavnshortvnstature,vn
widelyvnspacedvnnipples,vnandvnwebbedvnneck?vn-vncorrectvnanswer✔ ✔
Crivnduvnchat
Avnpersonvnwithvn47,vnXXYvnkaryotypevnhasvnthevngeneticvndisordervnresultingvninvnwhi
chvnsyndrome?vn-vncorrectvnanswer✔ ✔ Klinefelter
WhatvnisvnthevnchromosomalvnvariationvnthatvncausesvnKlinefeltervnsyndrome?vn-
vncorrectvnanswer✔ ✔ NondisjunctionvnofvnXvnchromosomevninvnthevnmother
, Whatvnisvnthevnsecondvnmostvncommonlyvnrecognizedvngeneticvncausevnofvnmentalvnreta
rdation?vn-vncorrectvnanswer✔ ✔ FragilevnXvnsyndrome
Whatvnisvnthevnbloodvntypevnofvnavnpersonvnwhovnisvnheterozygous,vnhavingvnAvnandvnBvn
allelesvnasvncodominant?vn-vncorrectvnanswer✔ ✔ AB
Avncouplevnhasvntwovnchildrenvndiagnosedvnwithvnanvnautosomalvndominantvngeneticvndi
sease.vnWhatvnisvnthevnprobabilityvnthatvnthevnnextvnchildvnwillvnhavevnthevnsamevngenetic
vndisease?vn-vncorrectvnanswer✔ ✔ Onevnhalf
Whenvnavnchildvninheritsvnavndiseasevnthatvnisvnautosomalvnrecessive,vnitvnisvninheritedvnfr
om:vn-vncorrectvnanswer✔ ✔ Bothvnparents
Peoplevndiagnosedvnwithvnneurofibromatosisvnhavevnvaryingvndegreesvnofvnthevnconditi
onvnbecausevnofvnthevngeneticvnprinciplevnof:vn-vncorrectvnanswer✔ ✔ Expressivity
Whichvngeneticvndiseasevnhasvnbeenvnlinkedvntovnavnmutationvnofvnthevntumor-
suppressorvngene?vn-vncorrectvnanswer✔ ✔ Retinoblastoma
Cysticvnfibrosisvnisvncausedvnbyvnwhatvntypevnofvngene?vn-vncorrectvnanswer✔ ✔
Autosomalvnrecessive
Whichvnisvnanvnimportantvncriterionvnforvndiscerningvnautosomalvnrecessivevninheritanc
e?vn-vncorrectvnanswer✔ ✔ Consanguinityvnisvnsometimesvnpresent.