Genetics: From Genes to Genomes
Genetics: From Genes to Genomes
6th Edition
ISBN: 9781259700903
Author: Leland Hartwell Dr., Michael L. Goldberg Professor Dr., Janice Fischer, Leroy Hood Dr.
Publisher: McGraw-Hill Education
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Chapter 18, Problem 18P

The transcription factor Pax6 is required continually during the life of a mouse (or a human) for the development and maintenance of the retina. Homozygous Pax6 knockout mice die soon after birth because Pax6 protein is also required in essential organs, such as the pancreas.

a. In order to study the role of Pax6 in eye development, a researcher wants to generate a mouse that expresses Pax6 everywhere except in its eyes. Describe how you could construct such a mouse.
b. Suppose the scientist wants to create a mouse similar to that in part (a), but in which the eye cells from which Pax6 function has been removed now express GFP. Marking the cells in this way will allow the investigator to see the shapes of the Pax6 eye cells more easily than if they did not express GFP. Diagram a Pax6 gene construct that would enable her to do this experiment.
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Genetics: From Genes to Genomes

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