1

Figure 2.26 Some examples of alternative RNA splicing

Figure 2.31 Degradation of casein mRNA in the presence and absence of prolactin

2

Figure 2.34 Hypothetical model of the regulation of lin-14 mRNA translation by lin-4 RNAs

Figure 2.35 Current model for the formation and use of microRNAs (Part 1)

3

Figure 2.35 Current model for the formation and use of microRNAs (Part 2)

Figure 3.1 Reaggregation of cells from amphibian neurulae

4

Figure 3.2 Sorting out and reconstruction of spatial relationships in aggregates of embryonic amphibian cells

Figure 3.4 Hierarchy of cell sorting in order of decreasing surface tensions

5

Figure 3.5 Cadherin-mediated cell adhesion (Part 1)

Figure 3.6 Importance of the amount of cadherin for correct morphogenesis

6

Figure 3.7 Importance of the types of cadherin for correct morphogenesis

Figure 3.8 Importance of cadherin in cell adhesion and morphogenetic movements

7

Figure 3.13 Ectodermal competence and the ability to respond to the optic vesicle inducer in Xenopus

Figure 3.14 Lens induction in amphibians

8

Figure 3.15 Schematic diagram of induction of the mouse lens

Figure 3.16 Feather induction in the chick

9

Figure 3.17 Regional specificity of induction in the chick

10

Figure 3.18 Genetic specificity of induction in amphibians