References
Anderson, E. (1937). Cytology in its relation to taxonomy.Bot. Rev.3, 335–50.
Anderson, E. &Sax, K. (1935). Chromosome numbers in the Hamamelidaceae and their phylogenetic significance.J. Arnold Arbor.16, 210–15.
Anderson, E. G. (1935). Chromosome interchanges in maize.Genetics,20, 70–83.
Avdulov, N. P. (1931). Karyo-systematische Untersuchungen der Familie Gramineen.Bull. Appl. Bot. Suppl.44, 1–438.
Avery, P. (1930). Cytological studies of five interspecific hybrids ofCrepis leontodontoides.Univ. Calif. Publ. Agric. Sci.6, 135–67.
Babcock, E. B. (1934). Basic chromosome numbers in plants with special reference to the Compositae.New Phytol.33, 386–8.
Babcock, E. B. (1936). The origin ofCrepis and related genera, with particular reference to distribution and chromosome relationships.Univ. Calif. Publ. Bot., Essays in Geobotany in Honor of William Albert Setchell, pp. 9–53.
Babcock, E. B. (1942). Systematics, cytogenetics and evolution inCrepis.Bot. Rev.8, 139–90.
Babcock, E. B. &Cameron, D. R. (1934). Chromosomes and phylogeny inCrepis. II. The relationships of one hundred eight species.Univ. Calif. Publ. Agric. Sci.6, 287–324.
Babcock, E. B. &Clausen, J. (1929). Meiosis in two species and three hybrids ofCrepis and its bearing on taxonomic relationships.Univ. Calif. Publ. Agric. Sci.2, 401–32.
Babcock, E. B. &Emsweller, S. L. (1936). Meiosis in certain interspecific hybrids inCrepis and its bearing on taxonomic relationship.Univ. Calif. Publ. Agric. Sci.6, 325–68.
Babcock, E. B.,Stebbins, G. L.Jr. &Jenkins, J. A. (1937). Chromosomes and phylogeny in some genera of the Crepidinae.Cytologia, Fujii Jubilee Vol. pp. 188–210.
Bauer, H. (1936). Structure and arrangement of salivary gland chromosomes inDrosophila species.Proc. Nat. Acad. Sci., Wash.,22, 216–22.
Beal, J. M. (1939). Cytological studies in relation to the classification of the genusCalochortus.Bot. Gaz.100, 528–47.
Bergner, A. D. (1941). Chromosome association inDatura. Proc. 7th Int. Genet. Congr. 1939, pp. 63–4.
Burnham, C. R. (1932). An interchange in maize giving low sterility and chain configurations.Proc. Nat. Acad. Sci., Wash.,18, 434–40.
Catcheside, D. G. (1932). The chromosomes of a new haploidOenothera.Cytologia, Tokyo,4, 68–113.
Catcheside, D. G. (1935). X-ray treatment ofOenothera chromosomes.Genetica,17, 313–41.
Catcheside, D. G. (1938a). The bearing of the frequencies of X-ray induced interchanges in maize upon the mechanism of their induction.J. Genet.36, 321–8.
Catcheside, D. G. (1938b). The effect of X-ray dosage upon the frequency of induced structural changes in the chromosomes ofDrosophila melanogaster.J. Genet.36, 307–20.
Clarke, A. E. &Anderson, E. G. (1935). A chromosomal interchange in maize without ring formation.Amer. J. Bot.22, 711–16.
Collins, J. L. &Mann, M. C. (1923). Interspecific hybrids inCrepis. II. A preliminary report on the results of hybridizingCrepis setosa withC. capillaris andC. biennis.Genetics,8, 212–32.
Collins, J. L., Hollingshead, L. &Avery, P. (1929). Interspecific hybrids inCrepis. III. Constant fertile forms containing chromosomes derived from two species.Genetics,14, 305–20.
Coonen, L. P. (1939). The chromosomes ofRanunculus.Amer. J. Bot.26, 49–58.
Dark, S. O. S. (1936). Meiosis in diploid and tetraploidPaeonia species.J. Genet.32, 353–72.
Darlington, C. D. (1929). Chromosome behaviour and structural hybridity in the Tradescantiae.J. Genet.21, 207–86.
Darlington, C. D. (1930). Studies inFritillaria. III. Chiasma formation and chromosome pairing inFritillaria imperialis.Cytologia, Tokyo,2, 37–55.
Darlington, C. D. (1931). The cytological theory of inheritance inOenothera.J. Genet.24, 405–74.
Darlington, C. D. (1936). Crossing-over and its mechanical relationships inChorthippus andStauroderus.J. Genet.33, 465–98.
Darlington, C. D. (1937a). Chromosome behaviour and structural hybridity in the Tradescantiae, II.J. Genet.35, 259–80.
Darlington, C. D. (1937b).Recent Advances in Cytology. 671 pp. Philadelphia: Blakiston, Son and Co.
Darlington, C. D. (1939).The Evolution of Genetic Systems. 149 pp. Camb. Univ. Press.
Darlington, C. D. (1940). The prime variables of meiosis.Biol. Rev.15, 307–22.
Darlington, C. D. &Dark, S. O. S. (1932). The origin and behaviour of chiasmata. II.Stenobothrus parallelus.Cytologia, Tokyo,3, 169–85.
Darlington, C. D. &Gairdner, A. E. (1937). The variation system inCampanula persicifolia.J. Genet.35, 97–129.
Darlington, C. D. &La Cour, L. (1940). Nucleic acid starvation of chromosomes inTrillium.J. Genet.40, 185–213.
Darlington, C. D. &La Cour, L. (1941). The detection of inert genes.J. Hered.32, 115–21.
Darlington, C. D. &Upcott, M. B. (1941). The activity of inert chromosomes inZea Mays.J. Genet.41, 275–96.
Dubinin, N. P. (1934). Experimental reduction in the number of chromosome pairs inDrosophila melanogaster.Biol. Zh.3, 719–36.
Dubinin, N. P. (1936). Experimental alteration of the number of chromosome pairs inDrosophila melanogaster.Biol. Zh.5, 833–49.
Emsweller, S. L. &Jones, H. A. (1938). Crossing over, fragmentation and formation of new chromosomes in anAllium species hybrid.Bot. Gaz.99, 729–73.
Flory, W. S. Jr. (1934). A cytological study in the genusPhlox.Cytologia, Tokyo,6, 1–18.
Flory, W. S. Jr. (1936). Chromosome numbers and phylogeny in the Gymnosperms.J. Arnold Arbor.17, 83–9.
Frankel, O. H. (1937). Inversions inFritillaria.J. Genet.34, 447–62.
Frankel, O. H. (1940). The causal sequence of meiosis. I. Chiasma formation and the order of pairing inFritillaria.J. Genet.41, 9–34.
Frolova, S. L. (1938). The development of the inert regions of the salivary gland chromosomes inDrosophila.Nature, Lond.,142, 357–8.
Fujii, S. (1938). An evidence for the presence of inert regions in the autosomes ofDrosophila virilis.Cytologia, Tokyo,9, 177–84.
Geitler, L. (1933). Das Verhalten der Chromozentren vonAgapanthus während der Mitose.Öst. Bot. Z.82, 277–82.
Geitler, L. (1938a). Über das Wachstum von Chromozentrenkeimen und zweierlei Heterochromatin bei Blutenpflanzen.Z. Zellforsch.28, 133–53.
Geitler, L. (1938b). Weitere cytogenetische Untersuchungen an natürlichen Populationen vonParis quadrifolia.Z. indukt. Abstamm.- u. VerebLehre,75, 161–90.
Gerassimova, H. (1939). Chromosome alterations as a factor of divergence of forms. I. New experimentally produced strains ofC. tectorum which are physiologically isolated from the original forms owing to reciprocal translocation.C.R. Acad. Sci. U.R.S.S.25, 148–54.
Gerassimova, H. (1940). A translocation between theB- andD-chromosomes and the trisomic effects of theB-chromosome inCrepis tectorum L.Bull. Acad. Sci. U.R.S.S.1, 31–44.
Heitz, E. (1929). Heterochromatin, Chromozentren, Chromomeren.Ber. dtsch. bot. Ges.47, 274–83.
Heitz, E. (1932). Die Herkunft der Chromozentren.Planta,18, 571–639.
Heitz, E. (1933a). Die somatische Heteropyknose beiDrosophila melanogaster und ihre genetische Bedeutung.Z. Zellforsch.20, 237–87.
Heitz, E. (1933b). Über totale und partielle somatische Heteropyknose, sowie strukturelle Geschlechts-chromosomen beiDrosophila funebris.Z. Zellforsch.19, 720–42.
Heitz, E. (1935). Chromosomenstruktur und Gene.Z. indukt. Abstamin.-u. VererbLehre,70, 402–47.
Hollingshead, L. (1930). Cytological investigations of hybrids and hybrid derivatives ofCrepis capillaris andCrepis tectorum.Univ. Calif. Publ. Agric. Sci.6, 55–94.
Jaretsky, R. (1928a). Histologische und karyologische Studien an Polygonaceen.Jb. wiss. Bot.69, 357–490.
Jaretsky, R. (1928b). Untersuchungen über Chromosomen und Phylogenie bei einigen Cruciferen.Jb. wiss. Bot.68, 1–45.
Jaretsky, R. (1932). Beziehungen zwischen Chromosomenzahl und Systematik bei den Cruciferen.Jb. wiss. Bot.76, 485–527.
Jenkins, J. A. (1939). The cytogenetic relationships of four species ofCrepis.Univ. Calif. Publ. Agric. Sci.6, 369–400.
Kaufmann, B. P. (1937). Morphology of the chromosomes ofDrosophila ananassae. Cytologia, Fujii Jubilee Vol. pp. 1043–55.
Kikkawa, H. (1937). The inert chromosomes ofDrosophila ananassae. Cytologia, Fujii Jubilee Vol. pp. 125–8.
Kikkawa, H. (1938). Studies on the genetics and cytology ofDrosophila ananassae.Genetica,20, 458–516.
Koller, P. C. (1932). Further studies inTradescantia virginiana var.humilis andRhoeo discolor.J. Genet.26, 81–96.
Koller, P. C. (1935). Cytological studies inCrepis aurea andC. rubra.Cytologia, Tokyo,6, 281–8.
Korjukaev, S. I. (1940). On the nature of translocations inCrepis capillaris Wallr.C.R. Acad. Sci. U.R.S.S.26, 400–2.
Krause, O. (1931). Zytologische Studien bei den Urticales unter besonderer Berücksichtigung der GattungDorstenia.Planta,13, 29–84.
Levitsky, G. A. (1940). A cytological study of the progency of X-rayedCrepis capillaris Wallr.Cytologia, Tokyo,11, 1–29.
Levitsky, G. A. &Sizova, M. (1935). Further studies on regularities in chromosome transformations inCrepis capillaris induced by X-rays.C.R. Acad. Sci. U.R.S.S.4, 70–1.
McClintock, B. (1931). Cytological observations of deficiencies involving known genes, translocations and an inversion inZea Mays. Res. Bull. Mo. Agric. Exp. Sta. no. 163.
McClintock, B. (1933). The association of non-homologous parts of chromosomes in the mid-prophase of meiosis inZea Mays.Z. Zellforsch.19, 191–237.
McClintock, B. (1938). The fusion of broken ends of sister half-chromatids following chromatid breakage at meiotic anaphases.Res. Bull. Mo. Agric. Exp. Sta. no. 290.
McCullagh, D. (1934). Chromosome and chromosome morphology in Plantaginaceae. I.Genetica,16, 1–44.
Makino, S. (1940). On the chromocentre observed through the mitotic cycle of somatic cells inDrosophila virilis.Cytologia, Tokyo,10, 283–93.
Manton, I. (1932). Introduction to the cytology of the Cruciferae.Ann. Bot., Lond.,46, 509–56.
Mather, K. (1935). Chromosome behaviour in a triploid wheat hybrid.Z. Zellforsch.23, 117–38.
Muller, H. J. (1940). An analysis of the process of structural change in chromosomes ofDrosophila.J. Genet.40, 1–66.
Muller, H. J. &Painter, T. S. (1932). The differentiation of the sex chromosomes ofDrosophila into genetically active and inert regions.Z. indukt. Abstamm.-u. VerebLehre,62, 316–65.
Muller, H. J., Raffel, D., Gershenson, S. M. &Prokofyeva-Belgovskaya, A. A. (1937). A further analysis of loci in the so-called inert region of theX-chromosome ofDrosophila.Genetics,22, 87–93.
Müntzing, A. (1934). Chromosome fragmentation in aCrepis hybrid.Hereditas, Lund,19, 284–302.
Navashin, M. (1925). Morphologische Kernstudien derCrepis-Arten in Bezug auf die Artbildung.Z. Zellforsch.6, 195–233.
Navashin, M. (1928). ‘Amphiplastie’—eine neue karyologische Erscheinung.Z. indukt. Abstamm.- u. VererbLehre, Suppl. 2, pp. 1148–52.
Navashin, M. (1932). The dislocation hypothesis of evolution of chromosome numbers.Z. indukt. Abstamm.- u. VererbLehre,63, 224–31.
Navashin, M. (1934). Chromosome alterations caused by hybridization and their bearing upon certain general genetic problems.Cytologia, Tokyo,5, 169–203.
Phillips, H. M. (1938). Karyology and the phyletic relationships of the Plumbaginaceae.Chron. Bot.4, 385–6.
Pierce, W. P. (1939). Cytology of the genusLespedeza.Amer. J. Bot.26, 736–44.
Poole, C. F. (1931). The interspecific hybridCrepis rubra × C. foetida and some of its derivatives. I.Univ. Calif. Publ. Agric. Sci.6, 169–200.
Poole, C. F. (1932). The interspecific hybridCrepis rubra × C. foetida and some of its derivatives. II. Two selfed generations from an amphidiploid hybrid.Univ. Calif. Publ. Agric. Sci.6, 231–55.
Ribbands, C. R. (1937). The consequences of structural hybridity at meiosis inLilium × testaceum J. Genet. 35, 1–24.
Richardson, M. M. (1935a). Meiosis inCrepis. I. Pachytene association and chiasma behaviour inCrepis capillaris (L.) Wallr. andC. tectorum L.J. Genet.31, 101–17.
Richardson, M. M. (1935b). Meiosis inCrepis. II. Failure of pairing inCrepis capillaris (L.) Wallr.J. Genet.31, 119–43.
Richardson, M. M. (1936). Structural hybridity inLilium Martagon Album × L. Hansonii.J. Genet.32, 411–50.
Sansome, E. R. (1932). Segmental interchange inPisum sativum.Cytologia, Tokyo,3, 200–19.
Satô, D. (1938). Karyotype alterations and phylogeny. IV. Karyotypes in Amaryllidaceae with special reference to the SAT-chromosomes.Cytologia, Tokyo,9, 203–42.
Sax, K. (1937). Chromosome inversions inPaeonia suffruticosa. Cytologia, Fugii Jubilee Vol. pp. 108–14.
Sax, K. (1938). Chromosome aberrations induced by X-rays.Genetics,23, 494–516.
Sax, K. (1940). An analysis of X-ray induced chromosomal aberrations inTradescantia.Genetics,25, 41–68.
Sax, K. &Beal, J. M. (1934). Chromosomes in the Cycadales.J. Arnold Arbor.15, 255–8.
Sax, K. &Sax, H. J. (1933). Chromosome number and morphology in the Conifers.J. Arnold Arbor.14, 356–75.
Schultz, J. (1941). The function of heterochromatin.Proc. 7th Int. Genet. Congr. 1939, pp. 257–62.
Schultz, J., Caspersson, T. &Aquilonius, L. (1940). The genetic control of nucleolar composition.Proc. Nat. Acad. Sci., Wash.,26, 515–23.
Senn, H. A. (1938). Chromosome number relationships in the Leguminosae.Bibliogr. genet.12, 175–345.
Stadler, L. J. (1932). On the genetic nature of induced mutations in plants.Proc. 6th Int. Congr. Genet.1, 274–94.
Stebbins, G. L. Jr. (1938). Cytogenetic studies inPaeonia. II. The cytology of the diploid species and hybrids.Genetics,23, 83–110.
Sugiura, T. (1939). Chromosome numbers in Plumbaginaceae.Cytologia, Tokyo,10, 73–6.
Sugiura, T. (1940). Chromosome studies on Papaveraceae with special reference to the phylogeny.Cytologia, Tokyo,11, 558–76.
Tobgy, H. A. (1942). Cytological methods forCrepis species.Stain Tech.17, 171–5.
Tobgy, H. A. (1943). The control of chromosome dimensions in interspecific hybrids. (MS. in preparation.)
Upcott, M. B. (1937). The genetic structure ofTulipa. II. Structural hybridity.J. Genet.34, 339–98.
Upcott, M. B. (1939). The genetic structure ofTulipa. III. Meiosis in polyploids.J. Genet.37, 303–39.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Tobgy, H.A. A cytological study ofCrepis fuliginosa, C. Neglecta, and theirF 1 hybrid, and its bearing on the mechanism of phylogenetic reduction in chromosome number. Journ. of Genetics 45, 67–111 (1943). https://doi.org/10.1007/BF02982775
Issue Date:
DOI: https://doi.org/10.1007/BF02982775