Figure 3.21 The widely used RTK signal transduction pathway

Figure 3.22 Activation of MITF transcription factor through the binding of stem cell factor by the Kit RTK protein (Part 2)

Tunicate life cycle

Part Figure II.2 Autonomous specification in the early tunicate embyro (Part 1)

Part Figure II.2 Autonomous specification in the early tunicate embyro (Part 2)

Part Figure II.3 Microsurgery on tunicate eggs forces some of the yellow crescent cytoplasm of the muscle-forming B4.1 blastomeres to enter the b4.2 blastomere pair

Part Figure II.4 Conditional specification

Part Figure II.6 Roux’s attempt to demostrate autonomous specification

Part Figure II.7 Driesch’s demonstration of conditional specification

Part Figure II.9 The “French flag” analogy for conditional specification (Part 1)

Part Figure II.9 The “French flag” analogy for conditional specification (Part 2)