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Developmental Biology

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Presentation on theme: "Developmental Biology"— Presentation transcript:

1 Developmental Biology
The Development of a Frog Zebrafish embryo development - 24 hours in 46 seconds human development From 0:30 onward Drosophila embriogenesis Nematodo Embriogenesis Figures\Chapter02\DevBio7e02010.jpg

2 Developmental Biology
Who are the students? Not plant sci.? M.S. in . . . Note Book site. Note Web site. WEDNESDAYS: Targil: HOW we do developmental biology -Techinques, later. . . reading papers SUNDAYS: Lecture: WHAT is development, and WHY does it work, MECHANISTICALLY and MOLECULARLY Figures\Chapter02\DevBio7e02010.jpg

3 Figure 2.21 Major Evolutionary Divergences in Extant Animals
Figures\Chapter02\DevBio7e02210.jpg

4 Figure 2.21 Major Evolutionary Divergences in Extant Animals
Figures\Chapter02\DevBio7e02210.jpg

5 The course primarily addresses development of urbilaterian descendents
The course primarily addresses development of urbilaterian descendents. All reflect on the ancestor-differences are details.

6 Figure 2.21 Major Evolutionary Divergences in Extant Animals
Figures\Chapter02\DevBio7e02210.jpg

7 TRIPLOBLASTS, BILATERIANS Versus: ALSO: Not Plants

8 Figure 2.1 Developmental History of the Leopard Frog, Rana pipiens
Figures\Chapter02\DevBio7e02010.jpg

9 All animals have related developmental histories

10

11 Embryology vs. Developmental Biology

12 Figure 3.14 Roux’s Attempt to Demonstrate Mosaic Development
Figures\Chapter03\DevBio7e03140.jpg

13 Figure 3.15 Driesch’s Demonstration of Regulative Development
Figures\Chapter03\DevBio7e03150.jpg

14 Figure 1.7(1) Fate Map of the Tunicate Embryo
Figures\Chapter01\DevBio7e01071.jpg

15

16 Figure 3.8 Autonomous Specification in the Early Tunicate Embryo
Figures\Chapter03\DevBio7e03080.jpg

17 Acetylcholinesterase in the Progeny of the Muscle Lineage Blastomeres
Figures\Chapter03\DevBio7e03090.jpg

18 Figure 3.10 Microsurgery on Tunicate Eggs
Figures\Chapter03\DevBio7e03100.jpg

19 Figure 3.11 Conditional Specification
Figures\Chapter03\DevBio7e03110.jpg

20

21

22 Trasplantation

23 Genetic manipulation

24

25 The paradox of genomic equivalence

26 Figure 4.7 A Clone of Xenopus laevis Frogs
Figures\Chapter04\DevBio7e04070.jpg

27 Figure 4.8(1) Cloned Mammals, Whose Nuclei Came From Adult Somatic Cells
Figures\Chapter04\DevBio7e04081.jpg

28 Figure 4.8(2) Cloned Mammals, Whose Nuclei Came From Adult Somatic Cells
Figures\Chapter04\DevBio7e04082.jpg

29 Figure 4.8(3) Cloned Mammals, Whose Nuclei Came From Adult Somatic Cells
Figures\Chapter04\DevBio7e04083.jpg

30 Figure 3.14 Roux’s Attempt to Demonstrate Mosaic Development
Figures\Chapter03\DevBio7e03140.jpg

31

32 Movie of divisions, frog

33

34

35 Not great 2 minutes to 5 minutes


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