DPR Final Exam Review Questions With
Correct Answers
Which |isn't |a |major |strength |of |drosophila |as |a |model |organism?
A. |Short |gestation |time
B. |Short |generation |time
C. |Transparent
D. |Genetically |characterized |and |sequenced |- |CORRECT |ANSWER✔✔-C. |Transparent
What |makes |c. |Elegans |unique |as |a |model |organism?
A. |Short |gestation |time
B. |Inexpensive
C. |Transparent
D. |Completely |fate-mapped |- |CORRECT |ANSWER✔✔-D. |Completely |fate-mapped
A |forward |genetic |screen |requires:
A. |Targeted |mutations
B. |Dominant |mutations
C. |Exposure |to |a |mutagen
D. |All |of |the |above |- |CORRECT |ANSWER✔✔-C. |Exposure |to |a |mutagen
An |example |of |a |reverse |genetic |screen |is
A. |Transgenic |knock-out |of |a |gene
B. |Ectopic |expression |of |a |gene
, C. |RNAi |mediated |interference |with |a |gene
D. |All |of |the |above
E. |None |of |the |above |- |CORRECT |ANSWER✔✔-D. |All |of |the |above
What |must |be |true |about |a |mutation |for |it |to |have |utility |in |a |genetic |screen?
A. |It |must |be |present |in |the |somatic |cells
B. |It |must |be |present |in |the |gametes
C. |It |cannot |be |present |in |the |somatic |cells
D. |It |cannot |be |present |in |the |gametes |- |CORRECT |ANSWER✔✔-B. |It |must |be |present |in |the |
gametes
Gastrulation |results |in
A. |An |adult |organism
B. |A |hollow |tube
C. |Four |germ |layers
D. |A |mesodermal |layer |distinct |from |the |ectoderm |- |CORRECT |ANSWER✔✔-D. |A |mesodermal |
layer |distinct |from |the |ectoderm
As |mouse |development |progresses, |the |notochord |goes |on |to |become
A. |The |spine
B. |The |vertebra
C. |Ribs
D. |All |of |the |above
E. |None |of |the |above |- |CORRECT |ANSWER✔✔-E. |None |of |the |above
One |primary |difference |between |gastrulation |of |the |frog |and |chick |is |
A. |The |organizer |remains |stationary |in |frog |but |not |the |chick
Correct Answers
Which |isn't |a |major |strength |of |drosophila |as |a |model |organism?
A. |Short |gestation |time
B. |Short |generation |time
C. |Transparent
D. |Genetically |characterized |and |sequenced |- |CORRECT |ANSWER✔✔-C. |Transparent
What |makes |c. |Elegans |unique |as |a |model |organism?
A. |Short |gestation |time
B. |Inexpensive
C. |Transparent
D. |Completely |fate-mapped |- |CORRECT |ANSWER✔✔-D. |Completely |fate-mapped
A |forward |genetic |screen |requires:
A. |Targeted |mutations
B. |Dominant |mutations
C. |Exposure |to |a |mutagen
D. |All |of |the |above |- |CORRECT |ANSWER✔✔-C. |Exposure |to |a |mutagen
An |example |of |a |reverse |genetic |screen |is
A. |Transgenic |knock-out |of |a |gene
B. |Ectopic |expression |of |a |gene
, C. |RNAi |mediated |interference |with |a |gene
D. |All |of |the |above
E. |None |of |the |above |- |CORRECT |ANSWER✔✔-D. |All |of |the |above
What |must |be |true |about |a |mutation |for |it |to |have |utility |in |a |genetic |screen?
A. |It |must |be |present |in |the |somatic |cells
B. |It |must |be |present |in |the |gametes
C. |It |cannot |be |present |in |the |somatic |cells
D. |It |cannot |be |present |in |the |gametes |- |CORRECT |ANSWER✔✔-B. |It |must |be |present |in |the |
gametes
Gastrulation |results |in
A. |An |adult |organism
B. |A |hollow |tube
C. |Four |germ |layers
D. |A |mesodermal |layer |distinct |from |the |ectoderm |- |CORRECT |ANSWER✔✔-D. |A |mesodermal |
layer |distinct |from |the |ectoderm
As |mouse |development |progresses, |the |notochord |goes |on |to |become
A. |The |spine
B. |The |vertebra
C. |Ribs
D. |All |of |the |above
E. |None |of |the |above |- |CORRECT |ANSWER✔✔-E. |None |of |the |above
One |primary |difference |between |gastrulation |of |the |frog |and |chick |is |
A. |The |organizer |remains |stationary |in |frog |but |not |the |chick
