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Segregation: Being the Joseph Leidy memorial lecture of the University of Pennsylvania, 1922

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References

  1. Mechanism of Mendelian Heredity, ed. 2 [1923], p. 36.

  2. Hereditas, iv. p. 138, 1923.

References

  1. Mechanism of Mendelian Heredity, ed. 1915, p. 168; ed, 1923, p. 215.

  2. Physical Basis of Heredity, n.d., p. 251.

Reference

  1. SeeJournal of Genetics, xiii. p. 226, and Pl. XVII, Hg. 35, 1923.

References

  1. Journal of Genetics, ii. pp. 237–8 and Pl. XIV, fig. 2, 1912.

  2. Carnegic Inst. Publ. No. 288, Pl. I, 1919.

Reference

  1. Amer. Journ. of Hered. viii. pp. 224, 373, 473, etc. The graphic method of representation which he has suggested has great advantages, and comes nearer to giving a rational and acceptable picture of the phenomena than any I have seen elsewhere. (See especiallyl.c. p. 230.)

Reference

  1. Pres. Address to Brit. Ass., Melbourne, pp. 17–18, 1914.

References

  1. Carn. Inst. Pub. 1919, No. 295.

  2. “The Origin of Variations in Sexual and Sex-linked Characters,”Amer. Nat. lvi. p. 51, 1922; andSci. N.S., liv. Sept. 16, 1921. A fuller development of this conception of “balance” will be found in the new paper by Bridges,Amer. Nat. lix, p. 127, 1925.

References

  1. Strangeways, T. S. P.,Tissue Culture in Relation to Growth and Differentiation, Cambridge, 1924.

  2. Mavor, J. W.,Proc. Soc. Exp. Biol. and Med. xx. p. 335, 1923.

  3. Hereditas, iv. p. 235, 1923.

Reference

  1. Journal of Genetics, x. p. 124, 1920.

References

  1. W. H. Gates has lately published a preliminary account of crosses between Japanese waltzing mice and house mice in which the characters similarly segregate often in blocks. Evidence is added indicating that the Japanese areMus wagneri, regarded as a distinct species.Proc. Nat. Ac. Sci., vol. xi. p. 165, 1925.

  2. In plant-sports somatic segregation by blocks is occasionally seen. Sageret (Ann. de la Soc. d’Hort. de Paris, ii. Livre 7, p. 159,1828) describes in detail such an example in a melon which bore two fruits differing from each other in several respects of structure, colour and flavour.

  3. Amer. Nat. li. p. 31, 1917.

References

  1. We have never succeeded in tracing this variety. It is ausitatissimum and perhaps is somewhere cultivated for oil (seeJour, Gen. xi, p. 269, 1921).

  2. A mixture of singles and doubles results, of which the singles breed true. Miss Saunders, on the analogy of Stocks, took the doubles to be recessive, but, as Frl. von Ubisch pointed out, the double may more simply be taken to be a heterozygousdominant, like the ordinary doubleCarnation, on which interpretation no problem arises (Zeits. f. Botanik, xv.).

Reference

  1. W. Bateson and Ida Sutton,Journal of Genetics, viii. p. 199, 1919.

Reference

  1. SeeJournal of Genetics, xiii. 1923, The work onScolopendrium is still unfinished.

References

  1. Journal of Genetics, vi. 1916, and xi. 1921.

Reference

  1. Verh. Phys. Med. Ges., Würzburg, 1924;N.F. xlix. p. 45, andibid. l. p. 47, 1925, andJahrb. wiss. Bot. lxi. 1922.

References

  1. For figures of these plants seeJour. Gen. xi. 1921, PL XIV, figs. 2 and 3; xvi. 1925, Pl. IV.

  2. Genetics, viii. p. 97, 1923.

Reference

  1. In the total sterility of Kleiner Liebling, and especially in the female sterility of Salmon-fringed and the male sterility of Double New Life, the two latter attributable to the presence of a special epidermis, we are reminded of Winkler’s “Solanum Koelreuterianum,” which having an epidermis ofS. nigrum over a core ofS. lycopersicum was likewise totally sterile. Winkler, H.Zeits. f. Botanik, Jg. 2, Heft 1, p. 16, 1909.

References

  1. For an example largely comparable though presenting certain differences, see I. Andersson, “Inheritance of Variegation inBarbarea vulgaris,” Journal of Genetics, xiv. p. 185, 1024.

  2. S.B. preuss. Akad. Wiss. vi. 1920.

References

  1. Chittenden, R. J.,Journal of Genetics, xvi. p. 43, 1925.

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  2. Collins, E. J.Journal of Genetics, xii. p. 1, 1922.

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Reference

  1. One of the best accounts of the genetics of a mosaic plant is that lately published by Eyster (“A Genetic Analysis of Variegation,”Genetics, ix. p. 372, 1924) on the striping of the pericarp in maize.

References

  1. The great collection of records relating to bud-sports of all kinds is that of Cramer, P. J. S., “Kritische Übersicht der bekannten Fälle von Knospenvariation,”Natuurk. Verh. Holl. Maatsch. d. Wetensch., 3e Verzameling, Deel vi. 3e Stuk, Haarlem, 1907. Those who have no horticultural experience, who refer to Cramer’s work, will appreciate what a conspicuous and frequent part somatic segregation plays among garden plants, attributable without doubt to their heterozygous nature. Incidentally Cramer gives many examples of distinctions in alleged root-cuttings, but in many of these, especially those so commonly witnessed in the propagation of Chrysanthemums, we must not in the absence of anatomical examination assume that the sources of the new shoots were structurally roots. That the great majority of illustrations relate to colour-variation is presumably attributable to the facility with which colour changes attract attention. Structural changes of the same class are no great rarities. For striking recent examples see I. Anclersson’s work onBarbarea (Journal of Genetics, xiv. 1924).

  2. SeeProblems of Genetics, p. 150, 1913.

Reference

  1. Bagg, H. J.,Proc Soc. Exp. Biol. Med. xxi. pp. 146 and 228, 1923–4.

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Reference

  1. Chittenden, R. J.,Journal of Genetics, xvi. p. 48, 1925.

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  1. The John Innes Horticultural Institution, UK

    W. Bateson

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Bateson, W. Segregation: Being the Joseph Leidy memorial lecture of the University of Pennsylvania, 1922. Journ. of Gen. 16, 201–235 (1926). https://doi.org/10.1007/BF02982999

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