The Sonic hedgehog toolkit gene has multiple roles (a) (b) FIGURE 13-26 The Shh gene is expressed in many different parts of the developing chick embryo (indicated by dark stairingi, including (aj the zone of polarizing activity in each of the two developing limb buds and the long neural tube and (b) the developing feather buds. Shh TANA is visuaized by in situ hytridization. Photomiorographa courtasy of a Car Tabin and (b) Dr. John Falon, Lniversity of Wisconsin, and Marthow Harris, Harvard Medioal School Department of Ganatics
The Sonic hedgehog toolkit gene has multiple roles (a) (b) FIGURE 13-26 The Shh gene is expressed in many different parts of the developing chick embryo (indicated by dark stairingi, including (aj the zone of polarizing activity in each of the two developing limb buds and the long neural tube and (b) the developing feather buds. Shh TANA is visuaized by in situ hytridization. Photomiorographa courtasy of a Car Tabin and (b) Dr. John Falon, Lniversity of Wisconsin, and Marthow Harris, Harvard Medioal School Department of Ganatics
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter19: Genomes And Proteomes
Section: Chapter Questions
Problem 16TYK
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Question
As shown in Figure 13-26, the Sonic hedgehog gene is expressed in many places in a developing chicken. Is the
identical Sonic hedgehog protein expressed in each tissue? If so, how do the tissues develop into different structures? If not, how are different Sonic hedgehog proteins
produced?
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