What is conservative transposition?
A) No net increase in the number of transposable elements in the genome.
B) A net increase in the number of transposable elements in the genome.
C) Movement of transposable elements with replication of the element.
D) Movement of transposable elements without replication of the element.
E) Transposition without disruption of normal gene product activity.
Correct Answer:
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Q7: In Drosophila,the wild-type eye color is red.A
Q8: Base analogs may cause mutations because
A)they modify
Q9: Spontaneous mutation rates are greatly reduced by
A)exposure
Q10: A transposon is
A)a DNA segment that can
Q11: Which of the following is not mutagenic?
A)5BU
B)AZT
C)Nitrous
Q13: Thymine dimers are commonly caused by
A)ultraviolet radiation.
B)ionizing
Q14: The deamination of cytosine creates
A)5-methyl cytosine.
B)uracil.
C)2-aminopurine.
D)5-bromouracil.
E)thymine.
Q15: An IS (insertion sequence)element contains
A)a transposase gene
Q16: Dissociation elements (Ds)in plants are examples of
A)activator
Q17: Which of the following nucleotide changes leads
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