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Chapters #5 and #2. The Hox gene family are examples of homeotic genes. Homeotic genes are genes that when mutant cause a change in the spatial position.

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Presentation on theme: "Chapters #5 and #2. The Hox gene family are examples of homeotic genes. Homeotic genes are genes that when mutant cause a change in the spatial position."— Presentation transcript:

1 Chapters #5 and #2

2 The Hox gene family are examples of homeotic genes. Homeotic genes are genes that when mutant cause a change in the spatial position of structures (change in address). Box 4A wild-type fruit fly antennapedia mutant

3 The Hox gene family are examples of homeotic genes. Homeotic genes are genes that when mutant cause a change in the spatial position of structures (change in address). Box 4A

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7 Chapter 2: Drosophila embryogenesis

8 not in text

9 Genes to focus on during Drosophila embryogenesis Bicoid Hunchback Even-skipped Engrailed Antennapedia Hedgehog Wingless Gurken Toll Dorsal Decapentaplegic Short gastrulation

10 2.8 fly A/P axis gene hierarchy

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15 2.31 pair-rule expression

16 The Hox gene family are examples of homeotic genes. The Hox gene products give the positional address along the Anterior-Posterior (A/P) axis in all animals. Box 4A

17 2.8 fly A/P axis gene hierarchy

18 2.37 clones in wing

19 2.39 Hh/Wg 4 nuclei

20 2.41 Hh/Wg feedback loop

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22 Box 1E Wnt signal transduction

23 2.40 Hh signaling pathway


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