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eve stripe 2 reporter A B Hunchback C D 6999 Kruppel E F D In the early Drosophila embryo, the even-skipped (eve) gene is expressed in a striped pattern. eve stripe #2 expression is controlled by a regulatory DNA sequence that includes binding sites for the regulatory proteins Hunchback and Kruppel. The boxed figure at left above shows the expression patterns, in the early embryo, of a reporter gene joined to the eve stripe 2 regulatory sequence, and of the Hunchback and Kruppel proteins. Which of the figures at right best predicts the expression pattern of the eve stripe2 reporter (blue) in a mutant embryo lacking the Kruppel protein? The dashed lines in each outline the eve stripe 2 position in a wild-type embryo. ○ A) No change from wild type B) No reporter gene expression C) Reporter expression is expanded, to the anterior end of the embryo D) Reporter expression is expanded, in the posterior direction. ○ E) Reporter expression is shifted, to the anterior end of the embryo ○ F) Reporter expression is shifted, in the posterior direction

eve stripe 2 reporter A B Hunchback C D 6999 Kruppel E F D In the early Drosophila embryo, the even-skipped (eve) gene is expressed in a striped pattern. eve stripe #2 expression is controlled by a regulatory DNA sequence that includes binding sites for the regulatory proteins Hunchback and Kruppel. The boxed figure at left above shows the expression patterns, in the early embryo, of a reporter gene joined to the eve stripe 2 regulatory sequence, and of the Hunchback and Kruppel proteins. Which of the figures at right best predicts the expression pattern of the eve stripe2 reporter (blue) in a mutant embryo lacking the Kruppel protein? The dashed lines in each outline the eve stripe 2 position in a wild-type embryo. ○ A) No change from wild type B) No reporter gene expression C) Reporter expression is expanded, to the anterior end of the embryo D) Reporter expression is expanded, in the posterior direction. ○ E) Reporter expression is shifted, to the anterior end of the embryo ○ F) Reporter expression is shifted, in the posterior direction

Human Anatomy & Physiology (11th Edition)
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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eve stripe 2 reporter A B Hunchback C D 6999 Kruppel E F D In the early Drosophila embryo, the even-skipped (eve) gene is expressed in a striped pattern. eve stripe #2 expression is controlled by a regulatory DNA sequence that includes binding sites for the regulatory proteins Hunchback and Kruppel. The boxed figure at left above shows the expression patterns, in the early embryo, of a reporter gene joined to the eve stripe 2 regulatory sequence, and of the Hunchback and Kruppel proteins. Which of the figures at right best predicts the expression pattern of the eve stripe2 reporter (blue) in a mutant embryo lacking the Kruppel protein? The dashed lines in each outline the eve stripe 2 position in a wild-type embryo.
Transcribed Image Text:eve stripe 2 reporter A B Hunchback C D 6999 Kruppel E F D In the early Drosophila embryo, the even-skipped (eve) gene is expressed in a striped pattern. eve stripe #2 expression is controlled by a regulatory DNA sequence that includes binding sites for the regulatory proteins Hunchback and Kruppel. The boxed figure at left above shows the expression patterns, in the early embryo, of a reporter gene joined to the eve stripe 2 regulatory sequence, and of the Hunchback and Kruppel proteins. Which of the figures at right best predicts the expression pattern of the eve stripe2 reporter (blue) in a mutant embryo lacking the Kruppel protein? The dashed lines in each outline the eve stripe 2 position in a wild-type embryo.
○ A) No change from wild type B) No reporter gene expression C) Reporter expression is expanded, to the anterior end of the embryo D) Reporter expression is expanded, in the posterior direction. ○ E) Reporter expression is shifted, to the anterior end of the embryo ○ F) Reporter expression is shifted, in the posterior direction
Transcribed Image Text:○ A) No change from wild type B) No reporter gene expression C) Reporter expression is expanded, to the anterior end of the embryo D) Reporter expression is expanded, in the posterior direction. ○ E) Reporter expression is shifted, to the anterior end of the embryo ○ F) Reporter expression is shifted, in the posterior direction
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