460 



electricity, 108, 441 



electron, 142, 176, Ml, 209 



electron microscope, 330, 345, 357 



electrophoresis, 340 



embryo, 263, 264, 265-268, 289 



encephalitis, 304, 403 



endolysin, 384 



energy, 179, 320 



England, 87 



environment, 1, 56, 72, 79, 95, 252 



and mutants, 200, 241, 244 

 enzyme, 68, 70, 274, 277, 281-286, 293, 302, 320, 328, 



404, 421^25 

 episome, 356-372, 374-380, 382, 409, 418, 421, 449 

 epistasis, 53, 72, 74, 101, 252 

 epoxide, 200 



equivalents, lethal or detrimental, 241 

 Escherichia coli, 286, 307, 321, 329, 330, 341 , 346, 349- 

 369, 361, 315-385, 393, 421-425, 428, 432, 442, 

 448 

 ethology, 256 



euchromatin, 181, 186, 194, 198, 316, 370-371 

 Europe, 252 



evening primrose {see Oenothera) 

 evolution, 143, 147, 158, 195, 208, 213-214, 224-226, 

 244, 245, 255 



biochemical, 439-442 



biological, 94, 226, 450 



in various species, 170, 173, 176 

 exogenote, 377 

 expressivity, 70-73, 241 

 eye, 186,206,272-274 



color in Drosophila, 53, 62, 68, 69, 83, 117, 186, 

 189, 224, 271,272, 27i, 274 

 F„ F.,, 9 



F episome, 356-369, 380, 381, 382 

 fallout, 247-248 

 family method, 32, 275 

 feather, 84 



feed-back system, 418, 422-425 

 ferns, 222 



fertility and fecundity, 9, 90, 208 

 fertilization, 1, 5, 8, 97, 232, 256, 302 



random, 42, 74, 90 



cross-, in populations, 224-226 

 Feulgen-Rossenbeck technique, 19, 20, 108, 300, 316 

 fibroblast, 777, 317 

 filtration, 284, 352, 375 

 "fingerprints," 287, 288, 382 

 fingers, 71, 265 

 fish, 293, 296, 306, 307 

 fission, 415 



fitness, biological (adaptive value, reproductive poten- 

 tial), 208, 211, 224-226, 229, 245, 253-254, 329 

 flagellum, 96, 330, 370 

 flavin mononucleotide, 320, 321 

 flight, insect, 244 

 flowers, 8,9, 39, 114, 139 



forked bristles if) 97, 118, 119, 722, 128, 189,206,207 

 fowl (see chicken) 

 France, 240 



frogs, 140, 271 

 fruiting bodies, 121, 72i 

 fungi, 222, 254, 302 

 fungus gnat (Sciara), 316, 450 

 galactose locus (Gal), 358, 378, 390, 391 

 /3-galactosidase, 369, 421-424, 425 

 gametes, 5, 88, 94, 152, 166, 246, 302 

 gametogenesis, 106, 157, 166, 214, 248, 317 

 gametophyte, 95, 163 

 garnet eye color (_^), 206, 207 



gene (see also mutant, DNA, RNA), 10, 14, 63, 91, 

 100, 101, 120, 137, 164, 185, 262 



action, 70, 152, 185, 186, 193, 215, 262, 271-292, 

 395, 398, 409-440 



arrangement, 128-135, 185, 189 



balance, 104, 144 



chemical nature of, 293-304, 341 



and chemical reactions, s-27-s-49 



and chromosomes, 44—46, 90, 198 



code, 402 



defined, 199, 278-279, 447 



dominant and recessive, 12, 138 



essential vs. nonessential, 392 



extrachromosomal or extranuclear, 363, 408-418, 

 450 



for function vs. structure, 425, 440 



functional, 278-279 



interaction, 49-54, 56-60, 104, 236 



linear order of, 182, 197, 354 



linked, 112, 113, 116, 128, 197 



material basis of, 19, 30, 44, 90 



modifier, 210 



mutability controlled, 213-222 



mutable, 200 



and mutation, 197-202, 216 



mutator, 214 



nature of, 278-279, 317, 444-451, s-ll-s-14 



normal. 111, 210 



number, 116, 158, 159, 195 



operational, 137, 199 



origin of, 439-442 



pairs, 10, 40 



phenotypic effect, 65-70, 210-211, 224, 262 



polarity, 197 



pool, 213, 224-226, 229, 242-243, 253-255 



precursor and mutation, 201-202 



recombinational, 199 



regulator, 423-^25 



segregation, 8-14 



self-replication of, 20, 137, 213, 320-328, 363, 368, 

 377, 405, 415, 421, 439^140, 444-445, 447 



self-sterility, 63 



size, 195, 198,279 



and speciation, 257 



stable, 199 



suppressor, 214-216 



as template, 446-447 



transformer, 101, 105 



transmission, 73 



untainted, 10, 20 

 genetic death, 242-246 



