Subject Index 



585 



Gene (continued) 



duplicate, 330 ff, 342 fit"., 371, 372, 



385 

 effect of environment on, 304 

 epistatic, 321 ff. 

 female-tendency, 482, 485, 493, 



498, 506 

 for sex, 511, 512 



in Habrobracon. 498 ff, 

 for size, 342 ff ,, 367 ff . 

 inhibiting, 325, 326, 327 

 location of on chromosomes, 171, 



202 

 male-tendency, 482, 484, 485, 493, 



506, 509 

 modifying, 33, 336, 337, 354 

 mutable, 236, 237, 238, 239, 240, 



241, 259, 269 

 nature of, 219, 220, 230, 305 

 neutral, 342, 346, 371 

 plural, 354, 355 

 polymeric, 346, 347, 348, 349, 351, 



353, 354, 357 

 reaction of with cytoplasm, 304, 



306, 318 

 salivary gland bands and, 77 

 size of, 16, 224 

 suppressor of sex genes, 485 

 Gene action, 30-34, 301 ff,, 306 

 Gene frequencies, 537-540' 

 Gene interaction, 23-26, 304, 320 ff., 



342 ff. 

 Gene mutations, 227, 230, 235. 531, 

 533, 538, 539 

 effect of environment on, 240, 241, 



243, 263 

 frequency of, 235, 236 

 induction of, 243, 244, 245. 246, 

 S47, 248, 249, 250, 251, 252, 

 253, 260, 267, 268 

 Gene string, 14, 75 

 Gene symbols, 20, 21, 148 

 General index, 528 

 Generative nucleus or cell, 51 

 Genetics, 1 

 Genie balance, 419, 421 



Genome, 26, 27, 353, 414, 415, 419. 

 433, 440, 456, 457, 458, 460, 

 462, 463, 465, 502 

 deficient, 390, 414 



Genotype, 20, 511 



Genotypic ratio, 83, 127, 128, 129, 

 137, 139, 140, 157 



Germ cells, 47, 225, 489 



Germ layers, identified in chromo- 

 somal chimeras, 478 



Germ line, 489, 491 



German method of breeding, 378 



Golgi apparatus, 5 



Goodness of fit, 135, 142 



Grafting, 141, 235 



Grass, inbreeding in, 374 

 polyploids in, 452, 4^3 



Grasshoppers, 69 



Grouse locust, 403 



Growth, 311, 314, 315, 316, 357 



Guinea pigs, 114, 115, 165, 323, 373 



Gynander, 496, 497, 498, 501 



Gynandroid males, 501 



Gynandromorphs, 496, 497, 498 



Habrobracon, 67, 246, 260 



fused, 499, 500 



gynanders in, 497, 501 



gynandroid males, 501 



lemon lethal, 247 



lethals in, 253 



sex determination in, 498, 499 



sex linkage in, 499, 500 



triploid of, 450 

 Half mutants, 537 

 Haplo-IV, 415, 416 

 Haploid number of chromosomes, 



49, 63 

 Haploid, size in, 449, 451 

 Haploids, 433 ff. 



in animals, 437, 438, 439 



in insects, 434 



weakness of, 435 

 Hapten, 307 



Hardj- Weinberg law, 539 

 Heat, effect on crossing over, 167 

 Height, inheritance of in plants, 343, 

 344, 345, 374, 375, 384 



