SUBJECT INDEX 



415 



Pollen, 85 

 Polynucleotide, 4-12 



complementarity, 10 

 Polynucleotide phosphorvlase, 312 

 Polypeptide, 284, 294-297 

 Polyploidy, 104-106, 370 

 Polytene chromosome, 94, 106 

 Population dynamics, 382-385 

 Position effect, 95, 153, 163, 218, 338-347 



Oenothera, 341 

 Position pseudoalleles, 152-158, 340 

 Primary structure, 284-291 

 Prophage, 122-125 



chromosomal location, 146-148 



defective, 124-125, 130-131 



integration, 266-267 



noninducible, 146-147 



transduction of, 127-128 

 Prophase, 68-71, plate V and VII 

 Protamine, 179 

 Protein, as genetic material, 27, 28 



induced synthesis, 32ff 



phage, 22-24 



regulation of synthesis, 331 



structure, 283-291 



synthesis, 308-311, 320-321 

 Prototroph, 50, 138 

 Provirus, 379-380 



Pseudoallelism, 154-158, 163, 166, 172, 196 

 Pseudomonas recombination, 148 

 Pseudouracil, 309 

 Puffs, 318-320, 358 

 Purine, 5 

 Pyrimidine, 5 



Quaternary structure, 284-285 



r mutants in phage, 81-83, 119, 163-167, 170 

 Radioautography, 116-118, 185 



in DNA synthesis, 192-195 



in RNA synthesis, 314-315, 318-321 

 Radiomimetic agents, 217 

 Rana pipiens, 351-353 

 Rat lethal mutation, 272-273 

 Recessive, 86-89 



versus deficiency, 98-99 

 Reciprocal crossing, maize, 249-250 



Neurospora, 239 



Podospora, 260-261 

 Recombination, 64, 73-78, 177 



£. coli, 134-149, 336-338 



models of, 202-206 



Neurospora, 72-78, 196-202 



nonreciprocal, 198 



phage, 118-122 



pneumococcus, 132-134 



Salmonella, 158-162 



unit of, 150-152 

 Recon, 166-168 

 Regulation, arginine synthesis, 327—329 



by glucose, 334 



enzyme synthesis, 331, 336-338 



histidine synthesis, 329-330 

 Reparable function, 301 

 Repeat, see Duplication 

 Replica plating, 52-53 



in bacterial mating, 143 

 Replication, 173 



as life, 395-396 



asynchronous, 195 



in heredity, 235-236 



of cell structures, 244 



of DNA, 177, 184-195 

 Repression, antibody formation, 384 



arginine synthesis, 327-329 



chromosome rearrangement, 340-347 



enzyme synthesis, 331, 336-338 



gal locus, 344 



glucose, 334 



histidine synthesis, 329-330 



mechanism, 331, 338, 350 



Paramecium, 348-350 



prophage, 146, 344 



Salmonella, 347-348 

 Ribonuclease, 285-287 

 Ribonucleic acid, see RNA 

 Ribose, 5, 7 

 RNA, as genetic material, 24-27, 236 



cell localization, 244-246 



chromosomes, 180 



composition of, 4-12 



DNA synthesis, 229 



encephalitis virus, 25 



heterogeniety of, 313 



Holmes rib grass virus, 24-27 



mitochondria, 247-248 



phage infection, 114 



polio virus, 25 



reaction with nitrous acid, 36-39 



soluble (transfer), 308-311 



