Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Chapter 19.2, Problem 1BC
Development in Animals I: Pattern Formation
Core Skill: Connections Look ahead to Figure 24.15. How is the number of Hox genes related to the complexity of animal bodies?
Figure 24.15 Hox gene number and body complexity in different types of animals. Researchers speculate that the duplication of Hox genes and Hox gene clusters played a key role in the evolution of more complex body patterns in animals. A correlation is observed between increasing numbers of Hox genes and increasing complexity of body patterns. The Hox genes are divided into four groups, called anterior, group 3, central, and posterior, based on their relative similarities. Each group is represented with a different color in this figure.
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Chapter 19 Solutions
Biology
Ch. 19.1 - 20.1 General Themes in Development Concept Check:...Ch. 19.1 - Prob. 1BCCh. 19.1 - Prob. 2CCCh. 19.1 - Prob. 3CCCh. 19.1 - Prob. 2BCCh. 19.1 - Prob. 4CCCh. 19.2 - Development in Animals I: Pattern Formation...Ch. 19.2 - Development in Animals I: Pattern Formation...Ch. 19.2 - Prob. 3CCCh. 19.2 - Prob. 4CC
Ch. 19.2 - Development in Animals I: Pattern Formation Core...Ch. 19.2 - Development in Animals II: Cell Differentiation...Ch. 19.2 - Development in Animals II: Cell Differentiation...Ch. 19.2 - Development in Animals II: Cell Differentiation...Ch. 19.2 - Development in Animals II: Cell Differentiation...Ch. 19.2 - Development in Animals II: Cell Differentiation...Ch. 19.3 - Development in Plants Concept Check: Where are...Ch. 19.3 - Prob. 2CCCh. 19 - The process whereby a cells morphology and...Ch. 19 - Prob. 2TYCh. 19 - Positional information is important in determining...Ch. 19 - Morphogens are a. molecules that disrupt normal...Ch. 19 - Prob. 5TYCh. 19 - Arrange the following phases of pattern formation...Ch. 19 - Prob. 7TYCh. 19 - Prob. 8TYCh. 19 - An embryonic stem cell that can give rise to any...Ch. 19 - Prob. 10TYCh. 19 - Prob. 1CQCh. 19 - The MyoD gene in mammals plays a role in muscle...Ch. 19 - Prob. 3CQCh. 19 - Prob. 1COQCh. 19 - Is it possible for a phenotypically normal female...
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