Final Exam UH BIOL3301– Genetics well illustrated study guide

Final Exam UH BIOL 3301 – Gene cs
h h h h h h




Youhcounth1000hF2hseedshfromhahmonohybridhcross.hHowhmanyhseedshdohyouhexpecthtohdisplayhthehdomin
anthphenotype?h-hA)h1000

*B)h750

C)h500h

D)h250

E)h0



Youhcounth1000hF2hseedshfromhahmonohybridhcross.hHowhmanyhseedshdohyouhexpecthtohdisplayhthehrecessi
vehphenotype?h-hA)h1000

B)h750

C)h500

*D)h250h

E)h0



Inhpeas,haxialh(A)hflowerhposi onhishdominanthtohterminalh(a),htallh(L)hishdominanthtohshorth(l),handhyellowh(
Y)hishdominanthtohgreenh(y).hIfhahplanththathishheterozygoushforhallhthreehtraitshishallowedhtohself-
fer lize,hhowhmanyhofhthehoffspringhwouldhshowhthehdominanthphenotypehforhallhthreehtraits?h-hA)h3/64h

B)h9/64h

*C)h27/64h

D)h32/64

E)h64/64



Inhpeas,haxialh(A)hflowerhposi onhishdominanthtohterminalh(a),htallh(L)hishdominanthtohshorth(l),handhyellowh(
Y)hishdominanthtohgreenh(y).hIfhahplanththathishheterozygoushforhallhthreehtraitshishallowedhtohself-
fer lize,hhowhmanyhofhthehoffspringhwillhbehaxial,hshort,handhyellow?h-h*A)h3/64

B)h9/64h

C)h27/64h

D)h32/64h

,E)h64/64



Inhpeas,haxialh(A)hflowerhposi onhishdominanthtohterminalh(a),htallh(L)hishdominanthtohshorth(l),handhyellowh(
Y)hishdominanthtohgreenh(y).hIfhahplanththathishheterozygoushforhallhthreehtraitshishallowedhtohself-
fer lize,hhowhmanyhofhthehoffspringhwillhbehaxial,htall,handhyellow?h-hA)h3/64h

*B)h9/64h

C)h27/64h

D)h32/64h

E)h64/64



ThehgenehLhdetermineshhairhlengthhinhrabbits.hThehgenehBhdetermineshhairhcolor.hAhrabbithwithhlong,hblackh
hairhishcrossedhtohahrabbithwithhshort,hwhitehhair.hAllhthehoffspringhhavehlong,hblackhhair.hWhatharehthehgen
otypeshofhthehparents?h-h*A)hLLBBh×hllbb

B)hLlBbh×hLlBb

C)hLlBbh×hllbb

D)hLlbbh×hllBb

E)hImpossiblehtohdeterminehfromhthehinforma onhgiven



ThehgenehLhdetermineshhairhlengthhinhrabbits.hThehgenehBhdetermineshhairhcolor.hAhrabbithwithhlong,hblackh
hairhishcrossedhtohahrabbithwithhshort,hwhitehhair.hHalfhthehoffspringhhavehlong,hblackhhairhandhhalfhhavehsh
ort,hwhitehhair.hWhatharehthehgenotypeshofhthehparents?h-hA)hLLBBh×hllbb

B)hLlBbh×hLlBb

*C)hLlBbh×hllbb

D)hLlbbh×hllBb

E)hImpossiblehtohdeterminehfromhthehinforma onhgiven



ThehgenehLhdetermineshhairhlengthhinhrabbits.hThehgenehBhdetermineshhairhcolor.hAhrabbithwithhshort,hblac
khhairhishcrossedhtohahrabbithwithhlong,hwhitehhair.hAllhthehoffspringhhavehlong,hblackhhair.hWhatharehthehgen
otypeshofhthehparents?h-hA)hLLBBh×hllbb

*B)hllBBh×hLLbb

C)hLlBbh×hllbb

D)hLlbbh×hllBb

,E)hImpossiblehtohdeterminehfromhthehinforma onhgiven



Inhthehaccompanyinghfigure,hthehchancehthathindividualhIV-7hishahheterozygoushcarrierhish________.h-
hA)h1/4h



B)h1/3h

C)h1/2h

*D)h2/3h

E)h3/4



Inhthehaccompanyinghfigure,hthehchancehthathindividualhIV-7hishNOThahheterozygoushcarrierhish________.h-
hA)h1/4



*B)h1/3

C)h1/2h

D)h2/3h

E)h3/4



Ahgene cisthishinves ga nghthehinheritancehofhtwohautosomalhrecessivehgeneshinhmice,honehforhobesityh(L
EP)handhanotherhforhau smh(oprm1).hThehtablehbelowhprovideshthehnumberhofhoffspringhobserved,hforheac
hhphenotype,hwhenhdihybridhmiceharehcrossed:



Phenotype.hObserved

wild-type.h154

obeseh69

au s ch58

obese,hau s ch23



WhathishthehChi-squarehvaluehforhthishcross?



Whathishthehprobabilityhthaththehobservedhdevia onhfromhthehexpectedhishcausedhbyhchance?h-h*a)h5.08

b)h0.34

, c)h121.9

d)h0.05



*a)hlargerhthanh0.5h-hconcludehthathdifferencesharehcausedhbyhchance

b)hlargerhthanh0.5h-hconcludehthathdifferencesharehsignificanthandhnothbyhchance

c)hsmallerhthanhtheh0.05hcutoffhforhsignificance



Mitosishishahprocesshofhcellhdivisionhthathresultshinh________.h-hA)htwohuniquehdaughterhcells

B)hfourhuniquehdaughterhcells

*C)htwohiden calhdaughterhcells

D)hthreehiden calhdaughterhcellsh

E)hfourhiden calhdaughterhcells



Meiosishishahprocesshofhcellhdivisionhthathresultshinh________.h-hA)htwohuniquehdaughterhcells

*B)hfourhuniquehdaughterhcells

C)htwohiden calhdaughterhcells

D)hthreehiden calhdaughterhcellsh

E)hfourhiden calhdaughterhcells



Certainhkindshofhcellsh(e.g.,hsomehcellshinhtheheyeshandhbones)hmaturehandhdifferen atehintohahstatehinhwhi
chhtheyhhavehahspecializedhfunc onhbuthdohnothdividehorhprogresshthroughhthehcellhcycle.hThesehcellshareh"
stuck"hinhwhichhstage?h-hA)hMhphase

B)hG1h

C)hG2h

D)hSh

*E)hG0



Vinblas nehishahcommonlyhusedhchemotherapyhdrughthathactshbyhinterferinghwithhthehassemblyhofhmicrot
ubules.hHowhdoeshithlikelyhtargethcancerhcells?h-hA)hbyhsuppressinghcyclins

B)hbyhinhibi nghproteinhkinases