1. Could a nematode give birth to identical twins? No, because the first mitotic division of the zygote is asymmetric.

2. Day DateReadingTopic T 9/2 pp.216-231 (Ch. 6) C. elegans, model systems, and molecular genetics Watch three Audio/Video handouts: 1A), 1B), and 1C Th9/4Ch. 1An introduction to developmental biology T9/9 QUIZ 1 (covers A/V Handouts 1A, 1B, and 1C) More introduction Watch two Audio/Video handouts: Review of transcription regulation, Parts 1 and 2 Th9/11Ch. 3Vertebrate life cycles T9/16 QUIZ 2(covers A/V Handouts 2A and 2B) Vertebrate axes and germ layers Th9/18 CH. 4Vertebrate axial patterning T9/23More vertebrate body plan Th9/25Ch. 5Early patterning of vertebrate nervous systems T9/30EXAM 1Chapters 1, 3, 4, and pp216-231 Th10/2 Ch. 2Molecular development of Drosophila T10/7More molecular development of Drosophila Th10/9Ch. 7Plant development On Thursday, 10/9, Please bring a copy of the primary research article you have selected (or more than one if you haven’t decided) plus your notes on the article.

3. More Chapter 1

13. “What is true for E. coli is also true for the elephant.” ― Jacques MonodJacques Monod

31. Fig. 1.23

32. Fig. 1.25

35. Fig. 1.19

37. Fig. 8.3, p.302

38. 38

39. 39

40. Box 1B, p. 15

42. Fig. 1.21

43. Fig. 1.11

44. Box 1A, p.4 Xenopus laevis