SUBJECT INDEX 



Abraxis type of sex inheritance, 481 

 Accessory chromosome, 69 

 Acentric fragment, 394, 397, 398, 



399, 400 

 Aegilops cylindrica, 465, 466 

 Agamospermy, 513 

 Agglutination, 282 

 Agglutinins. 283 ff. 

 Agglutinogens, 283 ff. 

 Albinism, 34, 278. 313, 350. 542 

 Alfalfa. 379. 380, 3S1 

 Allele, 17 ff., 82, 138 

 multiple, 27, 28, 90, 92, 103. IO4. 



105. 162, 271 ff., 278, 283 ff., 



498-501 

 Allelomorph, 19 

 Allium, induction of polyploids in, 



473, 474 

 number of chromosomes in, 6, 11, 



12 

 Allohexaploids. 465, 466 

 Allopolyploid, 433, 456 ff., 470, 473, 



533 

 Allosyndesis. 461. 462 

 Allotetraploid. 433, 445, 449. 456. 



457. 464 

 genetic ratios in. 460, 461 

 Allotriploid. 462. 463 

 Alternation of generations, 50, 514 

 Amphidiploid, 437, 456 ff., 460, 461, 



533 

 Anaphase, 7 ff ., 8, 13, 53 ff., 54, 60, 



62, 71, 72 

 Anasa tristis, 72 

 Androgenesis, 501 

 Aneuploid, 414 ff., 451 

 Animal breeding, 367 ff , 

 Annelids, 523 



Anomozygous mutations, 226 

 Antibody, 282, 284, 286, 290, 292 



Antigin. 282, 283, 284, 286, 290, 291 



Apomixis, 513, 514, 531, 533 



Apotettix eurycephahis, 403 



Arbacia punctata, 476 



Archips jumijerana, 487, 4SS 



Arphia simplex, 134 



Artemia salina, 450 



Ascaris megalocephala, 10 



Aster, 5 



Asj^napsis, 471 



Atriplex hymenelytra, 505 



Attached-X chromosomes, 248, 414, 



483 

 Autopolyploids, 433, 440-454, 456, 



470, 473 

 size of, 449, 450, 451, 453 

 Autosomes, 70, 71, 72, 77, 89, 96, 133, 



173. 505, 506, 508 

 heterochromatin in, 222, 223 

 ratio to sex chromosomes, 482, 



483, 506, 507 

 AutosA'ndesis, 461, 462 

 Autotetraploid, 433. 445-449, 453. 



454. 456 

 size in, 445, 449, 450. 451, 453 

 Autotriploid, 433, 440-445, 453, 456, 



462, 463 

 Auxin, 310, 311 

 Average deviation, 362 

 Axolotl, 472 



Backcross, 84, 85, 138, 155, 157, 518, 



526, 528, 542 

 Bacteria, 309 



Balanced lethals, 534, 536, 537 

 Bands, salivary gland, 75-77, 193, 

 194, 251, 267 

 and genes, 224 

 number of, 193 

 Barley, 132, 247, 331 



577 



