092707_PhylogenyI

092707_PhylogenyI - 9/27/2007 Intro to Organismal Biology...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1 9/27/07 Intro to Organismal Biology Announcements 2 Study guide for Exam 1 : Will be posted under “Course Documents” Virtual Office hours : Post questions to Discussion Board this weekend--I will post responses on Sunday. Lab 3 : Results and Discussion due in two weeks (week of Oct 8) Turn in to lab instructor (drop in box on office door) by start of normal lab time Today’s class Evolutionary novelty due to changes in developmental genes, continued Reconstructing evolutionary history: Phylogeny and systematics (Relevant reading: Ch. 24, 25) 3 Evolutionary novelty: Changes in developmental genes (“ Evo-Devo ”) Developmental genes control multiple aspects of growth from zygote to adult: Rate Timing Spatial pattern Slight genetic differences in genes that control development can lead to major morphological differences. 4 Spatial pattern of development Homeotic genes : “toolkit” genes determine the spatial pattern of
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/17/2008 for the course BIOL 161 taught by Professor Vanroo during the Fall '08 term at Mass Colleges.

Page1 / 5

092707_PhylogenyI - 9/27/2007 Intro to Organismal Biology...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online