Journal of Genetics


 Vol. 43, January-April 1942


Contents

Vol. 43, Nos. 1 and 2 (January, 1942)
The Calculation and Precision of Linkage Values from Tetrad Analysis. (With Four Text-figures) -- K. Mather and G. H. Beale
1-31
Genetical Studies in Pears. III. Incompatibility and Sterility. (With Plates 1 and 2 and Three Text-figures) -- M. B. Crane and D. Lewis
31-44
The Anaemia of Flexed-tailed Mice (Mus musculus L.). I. Static and Dynamic Haematology. (With One Text-figure) -- Hans Grüneberg
45-68
Genetic Sterility in Tabacum-like Amphidiploids of Nicotina. (With Plates 3-6 and Twenty-one Text-figures) -- Walter H. Greenleaf
69-96
The Pollen-grain Division in the Orchidaceae. (With Plates 7 and 8) -- H. N. Barber
97-104
The Effect of Polyploidy and Hybridity on Seed Size in Crosses between Brassica chinensis, B. carinata, amphidiploid B. chinensis-carinata and autotetraploid B. chinensis. (With Six Text-figures) -- H. W. Howard
105-120
Homologous Chromosome Pairing: The Physical Problem. (With Ten Text-figures) -- A. C. Fabergé
121-144
The Action of X-rays on the Cell. I. The Chromosome Variable. (With Six Text-figures) -- H. B. Newcombe
145-172
An Unstable Gene in Portulaca: Mutation Rate at Different Temperatures. (With Two Text-figures) -- A. C. Fabergé and G. H. Beale
173-188
The Effects of Ionizing Radiations on the Chromosomes Tradescantia bracteata. A Comparison between Neutrons and X-rays. (With a section on Neutron Dosimetry by Dr D. E. Lea.) (With Eight Text-figures) -- J. M. Khoday
189-210
Genetical Studies in Pears. IV. Pollen-tube Growth and Incompatibility. (With Two Text-figures) -- D. Lewis and I. Modlibowska
211-222
Ueber die Verschiedenheit Reziproker Artbastarde in der Gattung Begonia. (Mit Tafeln 9 und 10 und einer Text-figur) -- Aleksandrs Villerts
223-236
The Action of X-rays on the Cell. II. The External Variable. (With Three Text-figures) -- Howard B. Newcombe
237-248
Vol. 43, No. 3 (April, 1942)
Anthocyanin Patterns in Asiatic Cottons -- R. A. Silow and Chi Pao Yu
249-284
Inherited Macrocytic Anaemias in the House Mouse. II. Dominance Relationships -- Hans Grüneberg
285-294
The Problem of Dominant Lethals -- G. Pontecorvo
295-300
Accuracy of Mutation Rates -- W. L. Stevens
301-308
The Balance of Polygenic Combinations -- K. Mather
309-336
Genetical and Cytological Studies of Musa. IV. Certain Triploid Clones -- E. E. Cheesman and K. S. Dodds
337-358
The Experimental Control of Chromosome Pairing in Fritillaria. (With Six Text-figures) -- H. N. Barber
359-374