LINEs and SINEs are repetitive sequences in humans that as retrotransposons, can also insert into genes and cause disease. Select one: True FalseWhat is the most reasonable explanation for the observation that transposons in many multicellular genomes are more often found in nongenic sequences (i.e.,sequences that do not code for genes) such as centromeric heterochromatin rather than in genic sequences (i.e,. gene sequences)? Select one: a. The transposons are “safe” from harm from the host when in nongenic regions. b. Reverse transcriptase promotes integration into nongenic DNA preferentially. c. Insertion into nongenic DNA is less likely to do harm to the host and thus would not be selected against. d. Genic DNA is protected from transposon insertion by all the transcription factors bound to the region. e. The AT-rich nature of centromere and other nongenic sequences makes it easier for transposon insertion.
LINEs and SINEs are repetitive sequences in humans that as retrotransposons, can also insert into genes and cause disease. Select one: True FalseWhat is the most reasonable explanation for the observation that transposons in many multicellular genomes are more often found in nongenic sequences (i.e.,sequences that do not code for genes) such as centromeric heterochromatin rather than in genic sequences (i.e,. gene sequences)? Select one: a. The transposons are “safe” from harm from the host when in nongenic regions. b. Reverse transcriptase promotes integration into nongenic DNA preferentially. c. Insertion into nongenic DNA is less likely to do harm to the host and thus would not be selected against. d. Genic DNA is protected from transposon insertion by all the transcription factors bound to the region. e. The AT-rich nature of centromere and other nongenic sequences makes it easier for transposon insertion.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
LINEs and SINEs are repetitive sequences in humans that as retrotransposons, can also insert into genes and cause disease.
Select one:
True
FalseWhat is the most reasonable explanation for the observation that transposons in many multicellular genomes are more often found in nongenic sequences (i.e.,sequences that do not code for genes) such as centromeric heterochromatin rather than in genic sequences (i.e,. gene sequences)?
Select one:
a.
The transposons are “safe” from harm from the host when in nongenic regions.
b.
Reverse transcriptase promotes integration into nongenic DNA preferentially.
c.
Insertion into nongenic DNA is less likely to do harm to the host and thus would not be selected against.
d.
Genic DNA is protected from transposon insertion by all the transcription factors bound to the region.
e.
The AT-rich nature of centromere and other nongenic sequences makes it easier for transposon insertion.
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