Papers presented by: 1. G. Pontecorvo and E. Kafer - "Maps of a chromosome region in Aspergillus nidulans based on mitotic and meiotic crossing-over". 2. R.H. Pritchard - "The relationship between a group of alleles in the "adg" region of Aspergillus nidulans". 3. G. Pontecorvo - "Alleles or pseudo-alleles?". 4. H.T. Clifford - "An index for use in quantitiative taxonomic problems". 5. C. Ellenby - "Environmental determination of the sex ratio of a plant-parasitic nematode". 6. L.K. Crowe - "S. gene structure revealed by the cytoplasm". 7. D. Lewis - "S gene structure - new evidence from tetraploidy and mutation". 8. J.H. Sang - "Nutritional requirements and hybrid vigour in Drosophila". 9. A.F. Purser - Some genetical factors affecting body size in Drosophila melanogaster". Two copies of programme.
Papers presented by: 1. A.J. Bateman - "Time of action of dominant lethals in mammals". 2. A. Durrant - "Effect of parental environment of offspring character in flax". 3. J.A. Pateman - "Polygenic inheritance of ascospore size in Neurospora crassa". 4. Helen L. Bernstein - "New mating types in Escherichia coli". 5. B.A.D. Stocker and C. Quadling - "Bacterial motility: an analysis of variation amongst cells of identical genotype sharing a common 'uniform' environment". 6. F.J. Chatterly and K.G. McWhirter - "The control of mammalian sex ratios and an analysis of a new problem in population genetics". 7. J.A. Fraser Roberts - "The genetics of essential hypertension". 8. H. Kalmus - "An improvement in the taster-nontaster classification". 9. H. Kalmus, J.E. Satchell and Jean C. Bowden - "Colour polymorphism in the earthworm Allolobophora chlorotica".
Papers presented by: G. Sermonti and D.A. Hopwood E.A. Bevan and R.A. Woods J.R.S. Fincham H. Lehmann, J. Liddell and E. Silk I. Gibson and G.H. Beale M.F. Lyon J.M. Thoday and J.B. Gibson M. Crawford J.R. Ellis, R. Marshall and L.S. Penrose
Papers presented by: M.F. Lyon A.G. Searle R. Sanger, R.R. Race, J. Hamper and P. Tippett U. Mittwoch and H. Muir J.H. Edwards S. Walker I.M. Tough and P.A. Jacobs D.G. Harnden and J.A. Williams W.M. Court Brown and K.E. Buckton C.E. Ford
Papers presented by: G.D.H. Bell S. Ellerton W.G. Weibull R. Watts-Tobin I. LEslie B.A.D. Stocker W.D. Donachie and H. Kacser R. Riley and G. Kimber K.F. Thompson G.W.P. Dawson P.F. Smith-Keary S. Riyasaty J.D. Gross J. Scaife and J.D. Gross M. Monk R.C. Clowes M.S. Kelly and R.H. Pritchard D.A. Ritchie, F. Poole and N. Symonds A.M. Evans and D.G. Jones G. Kimber and R. Riley G. Haskell H. Rees and M.R. Bullen C.H. Clarke and G. Bond I. Gibson P.B. Gahn J.L. Hamerton, D. Mutton and H.P. Klinger D.A.P. Eveans
Papers presented by: J.R. Warr and J.A. Roper B.W. Bainbridge and J.A. Roper A.J. Clutterbuck and J.A. Roper N.W. Simmons B.J. Harrison and J.R.S. Fincham D.B. Roberts R. Holliday S.A. Henderson J.H. Sang and B. Burnet N.W. Simmonds G.R. Fraser W.J. Whittington, J. Childs, J. How and J.M. Hartridge J.R. Morton J.R. Morton, D.G. Gilmour, E.M. McDermid and A.L. Ogden D.S. Falconer and Joyce L. Bloom
Papers presented by: B.C. Lamb A.J. Bateman F.J.W. Lewis and Valerie Marrian R.H. Pritchard and K.G. Lark N.W. Simmons R.M. Harley L.C. Frost R.W. Dunbar J. Roseweir N.W. Simmons R.A.E. Tilney-Bassett W.P. Jaffe D. Nash, J.C. Powell and E.M. McDermid
Papers presented by: A. Durrant H. Rees and G.H. Jones K.J.R. Edwards and J.P. Cooper P.F. Parker J.D. Hayes and M.S. Rana T.D. Johnston D.J. Cove B.M. Rever J.A. Pateman, B.M. Rever and D.J. Cove M.J. Lawrence D.L. Jennings T. Brown and P.F. Wareing R.J. Berry G.R. Fraser C.F. Arlett J.H. Subak-Sharpe W.J. Whittington and M.J. Hartley C.W. Lawrence and D.R. Davies A.G. Searle, E.P. Evans and C.E. Ford
Papers presented by: A. McDermott J.H. Edwards Catherine Yuncken and J.H. Edwards J. Insley K. McWhirter W.D. Hamilton H.N. Arst, Jr., and D.J. Cove C. Scazzocchio and A.J. Darlington J.A. Pateman D.J. Cove J.H. Subak-Sharpe, Wilma M. Shepherd and J. Hay D.A. Hopwood Fifth Mendel Lecture. "Molecular Genetics: the present position" by Dr. F.H.C. Crick. G.G. Meynell and A.M. Lawn B.A. Bridges, M.J. Ashwood-Smith and R.J. Munson M.J. Lawrence
Papers presented by: K. Moore C.N. Law R. Johnson M.D. Bennett and H. Rees C.J.A. Samuel, J. Hill and Alsion Davies A.J. Wright and M.D. Hayward P.W. Barlow and C.G. Vosa H.W. Howard U.Loening Anne McLaren S. Cohen B.H. Nga and J.A. Roper D.W. MacDonald and A. Coddington A. Coddington A.W.F. Edwards D.A. Hopwood. R.J. Harold, A. Vivian and Helen M. Ferguson A. Tait I. Gibson [Later M.P. for Norwich North, 1997-2009] A. Jamieson C.E. Purdom A.G. Searle M. Hewitt and B. John B. Charlesworth K.F. Dyer