2011 Slide Set IV Spr08

2011 Slide Set IV Spr08 - SLIDE SET IV OUTLINE...

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SLIDE SET IV OUTLINE I. Developmental Genes A. Maternal-effect genes B. Segmentation genes C. Homeotic ( Hox ) genes I. Developmental Genes and Evolution of Body Forms (“Evo-Devo”) A. Role of Hox gene mutations on morphology B. Role of heterochrony
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I. Pattern formation regulated by various developmental genes : A. _________________________ 1. Code for egg cytoplasmic determinants (CDs) that direct egg e.g., _______________ protein in Drosophila A. __________________ : sequential expression of these genes guides pattern formation, providing positional information that gives form to the embryo * ______________ and __________________ established 1. Gap genes 2. Pair-rule genes 3. Segment-polarity genes
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I. Pattern formation regulated by various developmental genes: C. __________________________ 1. Regulate the development of anatomy of each body segment e.g., number and kind of _______________ on each segment (antennae, legs, etc.) Fig. 21.13 Homeotic mutation Fig. 21.1 Homeotic mutation wild type mutant mutant
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II. Developmental genes and evolution of body forms (“Evo-Devo”)
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This note was uploaded on 04/07/2008 for the course BIO bsc2011 taught by Professor Spears during the Spring '08 term at FSU.

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2011 Slide Set IV Spr08 - SLIDE SET IV OUTLINE...

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