Which of the following mutations could be appropriately describedas a position effect?A. A point mutation at the –10 position in the promoter regionprevents transcription.                                                                                          B. A translocation places the coding sequence for a muscle-specificgene next to an enhancer that is turned on in nerve cells.C. An inversion flips a gene from the long arm of chromosome 17(which is euchromatic) to the short arm (which isheterochromatic).

Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter14: Gene Regulation
Section: Chapter Questions
Problem 8TYU: Through alternative splicing, eukaryotes (a) reinforce gene inactivation (b) prevent transcription...
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Which of the following mutations could be appropriately described
as a position effect?
A. A point mutation at the –10 position in the promoter region
prevents transcription.                                                                                          B. A translocation places the coding sequence for a muscle-specific
gene next to an enhancer that is turned on in nerve cells.
C. An inversion flips a gene from the long arm of chromosome 17
(which is euchromatic) to the short arm (which is
heterochromatic).

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