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- 1. Multiple Choice
The enzyme that catalyzes the transposition of an IS element is called __________
Transposase
Integrase
Transcriptase
Polymerase
- 2. Multiple Choice
Hybrid dysgenesis is caused by which of the following transposable element?
Non-composite transposon
LINE
P-element
Ac-element
- 3. Multiple Choice
Retrotransposons transposes through the RNA intermediates.
True
False
- 4. Multiple Choice
Wild type female Drosophila have active P-elements.
True
False
- 5. Multiple Choice
LTR transposons are a type of__________
retrotransposon
cut and paste transposon
- 6. Multiple Choice
Which of these scientists play an important role in transposon discovery?
Barbara McClintock
James A. Shapiro
Peter Starlinger
R.W. Hedges
- 7. Multiple Choice
Ty element of yeast is a
Type I transposon
Type II transposon
- 8. Multiple Choice
The statements below are correct about a Ds element EXCEPT
Known as disassociator element
Is an autonomous transposon
Capable of causing mutation
Encodes for pigment producing characteristics in corn kernel
- 9. Multiple Choice
Ac transposon
cannot move independantly
is not capable of reverting mutation
is an autonomous transposon
can mutate C locus
- 10. Multiple Choice
Type II transposition mechanism is
cut and paste
copy and paste
- 11. Multiple Choice
P-females Drosophila
have a P-element
is the same as M-females
cannot suppress P-element
have an inhibitor/suppressor to the P element
- 12. Multiple Choice
All options are based on the figure
a Type I transposon
two separate transposase units are involved
the transposon copy will be at its original location
all the above is correct
- 13. Multiple Choice
Choose the INCORRECT statement. Refer to the Figure to answer this question.
Inverted repeat flank a transposon
Direct repeat is obtained because the cut made is staggered
Direct repeat is obtained because the cut made is blunt
Direct repeat may get longer with more transposition
- 14. Multiple Choice
Transposon can cause human disease as below EXCEPT
cancer
haemophilia
Down syndrome
Duchenne muscular dystrophy
- 15. Multiple Choice
Transposable elements were first found in
Maize
Bacteria
Virus
Pea
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