E

ebony gene 198 echinoderms 160, 240 Dll expression 126 evolution of body plan 183-4, 185

fossil record 2, 4 Hox genes 115, 116 ectoderm 69, 70, 240 Ediacara 2-3, 4, 240 extinction 4 fossils 5 EGF see epidermal growth factor En genes (En-1 and En-2) 42, 49

evolution 108-9, 110, 111 En-1 protein, in limb bud formation

89-91, 91 Endo16gene 227 endoderm 240 engrailed (en) gene(s) 32, 33 butterfly eyespots 168, 168-9, 170

conservation in arthropods 133, 134

duplications 105, 109-11, 111 phylogeny 108-9, 110 regulation of expression 66-8, 68

vertebrate homologs 42, 49 Engrailed (en) protein 39 Hox gene regulation 71 wing patterning 76-7, 78 Enhancer of Split gene 85 environmental changes inducing homeotic phenotypes 206-8

insect wing development and 151

epidermal growth factor (EGF) 43, 44, 73, 75

receptor (DER) gene 206 epipodites, crustacean 163-5, 164 epithelial appendages 161, 162 ether vapor 207-8 eumelanin 192-3 Euprymna scalopes 183, 184 European Bioinformatics Institute 106

even-skipped (eve) gene 35, 42 control of periodic expression 66, 67

evolution in arthropods 133, 135 stripe 2 element 224-7, 226 evolution animal color patterns 192-201 body plans and body parts 131-58

character number and pattern 201-4

cis-regulatory elements 216-30 genetic toolkit 103-30 Hox complex 114-19, 115 morphological complexity

119-20, 125, 125 morphological novelties 159-90 proteins 104 regulatory 213-37, 243 evx gene 42

exon shuffling 240 ExPASy Molecular Biology Server 106

extant organisms 103, 240 extradenticle gene 42 Extradenticle (Exd) protein 81 extrapolation approach 231—5 eye cryptic genetic variation 206, 207 development 51

bilaterian ancestor 123, 124 conserved gene function 122, 122-3

Drosophila 29, 30, 31, 206, 207

vertebrate 49, 49 evolution 125 lens crystallins 229 nonfunctional degenerate 229 eyeless (ey) gene 29, 30, 31, 42

homologs 49, 122-3 eyespots, butterfly 167, 167-9, 168, 169

0 0

Post a comment