Subjects 



463 



balanced, 163, 164-165,207 

 recessive, 65, 68, 152, 163, 204, 205, 206, 207, 

 209, 211, 229, 230, 231, 263, 264, 265-268 



phenotypic effect of, 66, 185, 206, 208, 210, 211, 

 239, 240, 244, 246 



point, 204-208, 448 



pre- vs. postadaptive, 333-336 



rare, in population, 229-231, 242-243 



semilethal, 239, 240 



twin, 218 



"visible," 204, 206, 207, 208 

 mutation (see also mutant), 5, 13, 71, 75, 87, 94, 137, 

 138, 150, 158, 188, 304, 340-341, 349, 400- 

 402-403, 406, 415, 440, 447, 449^50, s-15- 

 s-26 



in bacteria, 329-338 



in bacteriophage, 392-394 



and gene precursor, 201-202 



germinal, 246-249 



nature of, 144, 199-200, 201 



point and gene, 197-202, 204-208, 216 



and populations, 225 



prevention or recovery from, 200, 213 



rate, 200, 209, 214, 229-230, 247, 336, 386 



and selection, 229-231 



somatic, 245-246 



and speciation, 256 



at specific locus, 204, 340 



spontaneous, 200, 333, 350-354, 394 



and time, 201, 248 



units of, 213 

 mutational loads, 239-249 

 mutational site, 199, 400-403, 450 

 mutational spectrum, 200-201, 400-401 

 National Research Council, 248 

 nature vs. nurture, 74 

 Neisseria, 341 

 neomorph, 210 



nerve cell or tissue, 245, 266, 269, 421 

 Neurospora, 121, 123, 124, 132, 154, 281-286, 231, 



332, 429 

 neutrons, 176, 178-180 

 New Mexico, 253, 254 

 Nicotiana (tobacco), 63 

 nicotinamide mononucleotide, 320, 321 

 nitrogen and its compounds, 179, 281, 294, 296, 312- 



2>\5,314, 336, 346, 388,441 

 nitrous acid, 401, 406 

 nondisjunction, 59-91, 106, 143, 146, 147, 188, 207, 



214, 247 

 nose, 275 



notochord, 266-267 

 novel phenotype, 137, 138, 403, 449 

 no-wing fly, 52 

 nuclear war, 249 

 nucleoprotein, 303, 450 

 nucleoside, 303, 304 



nucleotide, 303, 304, 307, 368, 371, 380, 394-395, 400- 

 403, 426-436, 450 



di-, 320, 321, 327 



-sharing, 370-372, 376, 425, 435, 447 



nucleus and its parts, 16, 20, 121, 152, 181, 271, 300, 

 307, 329, 359, 370, 409, 429 



macro- (mega-) vs. micro-, 415, 416, 418 

 nurse cell, 317 



nutrition, 130, 265, 266, 332, 337-338, 349-354 

 ocelliless {oc), 206, 207 

 C>e/7o//;£'ra (evening primrose), 139, 762-171, 176, 194- 



195 

 ommatidia (eye facets), 186, 188 

 one polypeptide-one cistron view, 286 

 onion, 17, 18 

 operations (techniques), vi, 7, 13, 137, 278, 293, 403, 



444 

 operon and operator gene, 421-425, 440, 446 

 Ophryotrocha, 95 

 organelle, 274, 369, 370, 371, 440 

 outstretched win^, small eye (odsy), 206, 207 

 ovary and ovules, 63, 105, 163, 414 

 oxygen, 178, 179, 200, 201, 214, 287, 337, 441 

 Pi, P>, 9 



pachynema, 24, 25, 28, 158, 160 

 panmixis, 238 



paracentric vs. pericentric, 152 

 paralysis, 69 



Paramecium, 410, 411, 415-418, 449 

 parasite, 95, 107,411 

 parsimony, law of, 10, 62, 199 

 parthenogenesis, 140, 141 

 pea, garden, 8, 12, 39, 81, 1 1 1, 162, 163 



sweet, 114 

 pedigree, 32, 34, 71, 87, 231, 233, 275 



of causes, 70, 244, 271, 278, 287, 421 

 penetrance, 70-73, 241 

 penicillin, 341, 343 

 pentose sugar, 298, 304 

 peptides, 69, 287, 288 

 pericarp variegation, 216-222 

 persistence, 242 

 personality, 78 

 phagocytosis, 317, 342 

 phenogenetics, 262 

 phenol, 384, 405 

 phenotype, 2, 57, 70, 111, 116, 138, 185, 210-211, 2ii, 



278, 394, 449 

 phenotypic expression, 49-54, 63, 137 

 phenylalanine, 231, 276, 211, 285, 349-354, 433-436 

 phenylketonuria, 231, 233, 277 

 phenylpyruvic acid, 277 

 phenyl thiocarbamide (PTC), 228 

 phokomelia, 265 



phosphate, 299, 304, 320, 345, 403, 430 

 phosphorus, 281, 341, 383, 392, 429 

 photorecovery, 200 

 photosynthesis, 65, 413 

 physics, 189 



physiology, 173, 198, 254, 256, 257, 266 

 Pikes Peak inversion, 253, 254 

 pigment, 214-222, 271-274, 277 

 pistil, 63 



pituitary, 266, 267, 271 

 placenta, 266 



