1. Development I. History A. Epigenesis B. Pre-formation
The Homunculus
B. Pre-formation
C. Blending vs. Mixing
D. Current Thoughts

2. II. Fertilization A. Male Duties 1. Acrosomal Activities
2. Getting There

3. B. Female Duties 1. Acrosomal Reaction (fast block to polyspermy)
Figure 47.3
Figure 47.4

4. 2. Cortical Reaction (slow block to polyspermy)
Figure 47.4
Figure 11.14

5. III. Post-Fertilization Stages
A. Cleavage
1. Patterns  Radial vs. Spiral
Figure 47.7
Figure 32.10

6. Fertilized
16 cell
64 cell
Blastula
Figure 47.22

7. 2. Polarity (Animal vs. Vegetal Pole)
Figure 47.22
Figure 47.7

8. B. Gastrulation
1. Strategies
Figure 32.9
Figure 47.8

9. Figure 47.10
2. Outcomes
Figure 47.9

10. C. Organogenesis
1. What comes first?
Figure 47.14

12. IV. Amniote Development
A. Avians
1. What’s going on inside the egg?
Figure 47.15a
Figure 47.13

13. Figure 47.15b

14. B. Mammals
1. What’s going on inside the womb?
Figure 47.12

15. V. Morphogenesis A. Changes 1. Intra-cellular Figure 47.17

16. 2. Extra-cellular

17. B. Fate Mapping
Figure 47.18a
Figure 47.23

18. C. Inductive Signaling
Figure 47.26
Figure 47.25
Figure 47.24