Subjects 



547 



chi-square, 527. 528, 529. 532- 



533 

 Chironomus, 492 

 Chlamydomonas. 275. 376-378 

 chloramphenicol. 308 

 chloroplasts. 370-373, 378. 423, 



513 

 chromatid. 6. 19, 22. 134, 135. 



166 

 chromatin. 8. 484. 496 



sex, 484-486 

 chromatophoric groups. 396 

 chromocenter. 154, 155 

 chromomere. 495 

 chromosome. 6. 9 



acentric. 164 



aneucentric. 168 



aneuploidy. 155 



aneusomy. 155-161 



arm. 10 



attached-X. 122. 123, 478, 479 



B. in maize. 369 



bacterial. 323-324. 453 



balance. 105. 155-161, 484 



break. 164. 165, 166, 180, 

 384-386, 388-389 



bridge. 165, 166 



changes and radiation. 179-185 



circles. 231-236. 231, 232, 234, 

 235 



coils or gyres. 153. 182. 184. 

 484. 486. 492. 494. 496 



complexes. 229-231 



cross-bands in. 153. 154, 492 



deficiency or deletion. 167, 

 175. 237, 238, 345, 393, 

 438-439 



dicentric. 164. 180, 384 



donation in bacteria, 319 



doublet in. 481 



eucentric. 168 



fibrils. DNA content of. 275 



as genetic material. 10, 11, 97- 

 98 



heteromorphic. 94. 95 



homologous. 10 



human. 10. 159, 160, 178. 180 



intra-, exchange, 477 



iso-. 164 



lampbrush. 494. 495, 496 



loops. 169, 173, 494. 495 



loss, 160. 183 (see also non- 

 disjunction ) 



movement. 6. 231-233 



number. 10. 108. 110. 159,237 



polycentric. 189. 383 



polynemic (polytenic). 153. 

 154, 155. 173, 174, 175, 481, 

 492. 493 



puffs, 492. 493, 494. 495 



pycnosis. 155. 388. 484, 487 



rearrangements. 228-238. 338- 

 389 



recombination. 19 



replication. 8-10. 449 



ring. 167, 180 



rod. 167. 237, 238 



salivary gland, 153, 154, 155, 

 173, 174, 175, 481, 487. 

 492. 493 



segregation. 18-23 



sex. 90-98 



shape. 10. 236. 237, 238 



shift. 174 



structural changes, 164-175 



unbroken, and changes, 149- 

 161 

 Chrysanthemum. 246 

 chymotrypsin. 412 

 cinquefoil (Potentilla ). 243 

 cis, 349, 459. 477. 478 

 cistron. 346, 349. 410-411. 481 

 clear mutants. 349. 350 

 clearing (plaque). 342 

 climate and mutability, 384 

 clone. 292. 293, 294,'295. 374 



sampling methods. 306-309. 

 308, 309 

 clover, sweet, 366 

 clubfoot. 77 

 code, genetic. 425, 437 



ambiguous. 436. 440. 444 



colinearity. 445 



degenerate, 436 



inter-, transcription. 454—455 



nonoverlapping, 438 



primitive, 512 



triplet. 438. 443 



universality of, 445 

 codon. 436-445. 443 



identified, 440-445 



missense. 439 



no sense or nonsense. 439 

 coincidence, coefficient of. 136 

 colchicine and colcemide. 152, 



247 

 cold and autopolyploidy. 152 

 colicinogenic factors. 359-361 

 collagen. 503 

 collochores. 185. 383 

 color-blindness. 95. 119. 139 

 comb types. 55 

 competence, 82 

 complementation. 345 

 concordance and discordance, 



76-78 

 conditional distortion. 388 

 confidence interval, 521-522 

 congenital malformations. 158. 



208. 405 

 conidia, 26 

 conjugation, in E. coli, 309-314 



intergeneric. 314 



in Paramecium, 374, 375, 376. 

 505-506 



contingency tables. 531, 532 



copolymer. 287. 288. 399 



copy-choice. 299. 300 



core of phage, 339 



corn. Indian (maize. Zea mays), 

 10. 20, 21, 25, 26, 470. 479 

 Ac and Ds in. 384. 385. 386 

 bibliography. 29 

 crossover map. 142-143 

 extranuclear genes. 370, 371, 



372. 373 

 gene control systems. 465 

 heterosis in. 210-212, 211 

 pericarp variegation. 465-469 



cortex. 107. 505-506 



cosmic chemo-evolution. 5 14— 

 515 



cotton. 56. 247. 251. 479 



coupling and repulsion. 118 



cousin marriage. 207. 217-218 



crab, 288. 449 



Creeper, 79-81. 80 



Crepis. 251 



cristae. 377, 378 



crossing over (see also chias- 

 mata). 136. 169. 185 

 and linkage, 116-126 

 within cistron. 480-481 



crossover. 117. 131 



cubitus interrup'us, 59. 60 



culture medium, complete. 310 



Cyprus. 251 



cytochemistry. 260 



cytogenetics. 23. 126. 174-175, 

 231-236, 319, 492 



cytoplasm. 6, 7 



cytoplasmic mixing. 375 



cytosine. 254. 255 

 5-bromo. 284 

 5-hydroxymethvl. 255, 392, 



450, 451 

 5-methyl. 254. 255, 284, 452 



cytosome. 6 



daisy. 56 



Datura (limson weed). 151, 152. 



157. 158 

 DDT. 221 

 deamination. 396 

 death, genetic. 219-220 



infant. 208 

 degeneracy in code. 436. 443, 444 

 deintegration. 329 

 deletion (sec chromosome) 

 Delphinium (larkspur). 24S. 249 

 denaturation and renaturation. 



301-302. 435 

 density gradients. 273 

 deoxyadenosine. 257. 258 

 deoxyadenylic acid, 259 



