The Structure of Evolutionary Theory

Historical Constraints and the Evolution of Development 1127 developing brain.) In the most satisfying result (see Fig. 10-23), ...

1128 THE STRUCTURE OF EVOLUTIONARY THEORY homology in such a crucial and early-acting developmental pathway requires a wholesale ...

Historical Constraints and the Evolution of Development 1129 of results based on homology of underlying generators. This recasti ...

1130 THE STRUCTURE OF EVOLUTIONARY THEORY Our results show that the role played by Hh signalling in retinal differentiation is c ...

Historical Constraints and the Evolution of Development 1131 the highest possible degree. Yet reason tells me, that if numerous ...

1132 THE STRUCTURE OF EVOLUTIONARY THEORY to regulate the morphogenesis of divergent and complex eye structures." "Pax-6," they ...

Historical Constraints and the Evolution of Development 1133 along potential pathways of realizable form, but basic taxonomic or ...

1134 THE STRUCTURE OF EVOLUTIONARY THEORY limb reduction at hatching, while the appendage of T3, at this early stage, continues ...

Historical Constraints and the Evolution of Development 1135 be useful and interesting, must make distinctions and define catego ...

1136 THE STRUCTURE OF EVOLUTIONARY THEORY issue of this important discussion. We need to develop criteria for ordering and evalu ...

Historical Constraints and the Evolution of Development 1137 For example, in commercial areas of Manhattan, we can be pretty sur ...

1138 THE STRUCTURE OF EVOLUTIONARY THEORY not automatically, on this basis, ascribe such similarities to parallel evolution. I d ...

Historical Constraints and the Evolution of Development 1139 and meaning of similarities in development between the appendages o ...

1140 THE STRUCTURE OF EVOLUTIONARY THEORY these structures are only homologous as outgrowths in all Bilateria, and the claim bec ...

Historical Constraints and the Evolution of Development 1141 1997, p. 645). The vertebrate limb develops in a similar way under ...

1142 THE STRUCTURE OF EVOLUTIONARY THEORY outgrowths. Once established, this system provided the genetic and developmental found ...

Historical Constraints and the Evolution of Development 1143 large-scale rapidity as the Cambrian explosion. Under Lewis's (1978 ...

1144 THE STRUCTURE OF EVOLUTIONARY THEORY and discontinuous phenotypic shifts in mutant organisms, or the conventional basis ass ...

Historical Constraints and the Evolution of Development 1145 into hypotheses about sudden origins for the developmental cascades ...

1146 THE STRUCTURE OF EVOLUTIONARY THEORY Akam envisages the gradual evolution of different enhancers (or different levels and m ...