SUBJECT INDEX 



629 



Biochemical — continued 



properties of embryo at various developmental 

 stages, 238 

 Blood, collection of, in mice, 558 

 Blood-group genes, 161 

 B-mercaptoethylamine, 149 

 Body weight 



and hormonal secretion, 273 



and rank order in cattle, 274 

 Bone marrow 



post-irradiation injection of, 148 



transplantation of, 374 

 Bottle cases, 551 

 Bovine ocular carcinoma, 248 

 Brachyury, 222 

 Breeding 



choice of system, 39 



methods, 1 



performance, 54 



systems (see Systems of breeding) 

 Breed sensitivity of chickens to exogenous 



hormones, 277 

 Broody instinct in chickens, 278 

 Brother-sister inbreeding, 5, 12, 53 



generation matrix for, 13 



probabilities of incrosses for, 15 



with heterozygosis forced by backcrossing, 5, 

 32 



with heterozygosis forced by intercrossing, 5, 

 36 

 Brother-sister mating, 48, 49, 53 



gamete diagram, 45 



matrices for, 16 



zygote diagram, 44 



Cages 



for mice, 547 

 bedding for, 541 

 covers for, 547 

 food hopper for, 550 

 racks for, 552 

 Cancer (see also Tumors) 

 adrenal, 260 

 bovine ocular, 248 

 estimation of number of susceptibility genes, 



254 

 lysogeny, relationship to cancer, 268 

 mammary gland, 265 

 of skin, 249 



of stomach in Afastomys, 254 

 pancreatic, in hamsters, 267 

 transduction, relationship to cancer, 268 

 Cannibalism in mice, 544 

 Carbon-14, genetic hazards of in man, 130 

 Carbonmonoxyhemoglobins 

 of mice 



analyzed by crystallography, 312 

 analyzed by salting-out methods, 313 

 moving-boundary electrophoresis of, 302 

 Carcinogen, method of producing pulmonary 

 tumors with, 255 



Carcinogenesis 



dose response curves, 264 



relationship to mutagenesis, 263 

 Carcinoma (see also Cancers and Tumors) 



adrenal, 260 



bovine ocular, 248 



estimation of number of susceptibility genes, 

 254 



mammary gland, 265 



of skin, 249 



of stomach in Afastomys, 254 

 Carts and tables for care of mice, 553 

 Cases, bottle, 551 

 Cattle 



correlation of twinning, lactation, and growth, 

 273 



pigment-cell studies in, 333 



rank order in twinning, lactation, and body 

 weight, 274 

 Cells 



frozen, 507 



genetic continuity of lines of, 493 



in culture 



aneuploidy of, 507 

 drug-resistant variants, 462 

 freezing of, 507 

 isoantigens of, 463 



in suspension, use of immunogenetics, 365 



malignization of, in vitro, 452, 461 



neoplastic 

 in vivo, 422 

 phenotypic markers in, 448 



preservation of, by freezing, 47 1 



relationships in vivo and in vitro, 455 



single, solution of, for tissue culture, 450 



somatic, genetic transfer between, 456 

 Cellular 



adhesiveness, 443 



antibodies, 375 



contamination of tissue cultures, 493 



function, differentiation of, 464 

 Celom of chick embryo, transplantation of 



tissue to, 330 

 Cellulose, ion-exchange chromatography, 377 

 Cesarean section, use of in procuring sublines 



free of milk agent, 251 

 Cesium-137, 128 

 Chance in random selection, 54 

 Character 



quantitative, 193 



threshold, 247 

 Chemical methods for analysis of hemoglobins, 34 

 Chiasmata counts, 76 

 Chickens 



breed sensitivity to exogenous hormones, 277 



broody instinct in, 278 



inbred lines, 342 



size of comb in, 271 

 Chimeras, 414 



organ, 444 



radiation, 417 



