
History 1900-1950
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Mutable loci in maize.B. McClintock, Carnegie Inst. Washington Year Book, 47:155-169. 1948.![]() Previous reports have state that the number of unstable loci have recently arisen in maize culture. In a particular cell of a plant, a normal "wild-type" locus becomes altered; the normal, dominant expression of this locus changes and gives rise to a recessive expression (or, in ... Keywords: Ac, Ds, gene drive natural, history 1900-1950, transposable element |
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Experiments in the hybridisation of tsetse-flies (Glossina, Diptera) and the possibility of a new method of control.F. L. Vanderplank, Transactions of the Royal Entomological Society of London, 98:1-18. 1947.![]() Hybridisation of Glossina morsitans Westwood, G. swynnertoni Austen and G. pallidipes Austen was attempted in order to discover(a) Whether the three could be regarded as distinct species or as sub-species of morsitans ; (b) Whether they would mate freely with one another, and if ... Keywords: Ac, Ds, gene drive natural, history 1900-1950, transposable element |
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Parasitic nature of extra fragment chromosomesÖstergren G., Botaniska Notiser, 2:157-163. 1945.![]() This paper is intended as a contribution to the discussion concerning the significance of the extra fragments or »accessory chromosomes» as they are called by Håk ansso n(1945), which are not too rarely found in cross-fertilizing populations. I think reasonable support may ... Keywords: Ac, Ds, gene drive natural, history 1900-1950, transposable element |
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Tsetse hybridsW. H. Potts, Nature, 154:606-607. 1944.![]() IN 1936 I attempted to cross various species of tsetse (Glossina) with the idea that, should they hybridize readily, and should the resultant hybrids prove sterile, this might be tried as a measure of control. Corson had already, in 1932, obtained three offspring from crosses ... Keywords: Ac, Ds, gene drive natural, history 1900-1950, transposable element |
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Hybridization between Glossina Species and Suggested New Method for Control of Certain Species of TsetseF. L. Vanderplank, Nature, 154:607-608. 1944.![]() Corson and Potts record crossing Glossina swynnertoni Aust. with G. morsitans Westwood. Corson crossed twelve female G. morsitans with male G. swynnertoni, of which only two females produced a total of three pupæ. All his females lived long enough for reproduction to take place. ... Keywords: Ac, Ds, gene drive natural, history 1900-1950, transposable element |
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Preferential segregation in maizeM. M. Rhoades, Genetics, 27:395-407. 1942.![]() An abnormal type of chromosome 10, found by Longley in maize from the s.-w. part of the U. S., is preferentially segregated during megasporogenesis. More than 70% of the ovules receive the abnormal chromosome instead of the 50% expected with random segregation. At pachytene the ... Keywords: Ac, Ds, gene drive natural, history 1900-1950, transposable element |
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On the possibility of a new method for the control of insect pests.A. S. Serebrovskii, Zoologicheskiĭ zhurnal, 19:618-630 (in Russian). 1940.![]() ON THE POSSIBILITY OF A NEW METHOD FOR THE CONTROL OF INSECT PESTS. The new principle of insect control consists in disturbing the propagation of the pest population by means of translocations. It is well known that individuals heterozygous for some translocations usually form a ... Keywords: Ac, Ds, gene drive natural, history 1900-1950, transposable element |
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A new sex-ratio abnormality in Drosophila obscuraS. Gershenson, Genetics, 13:488. 1928.![]() 1. The sex-ratio in the normal lines of Drosophila obscura is very near to the theoretical 1 : 1. 2. Out of 19 females caught in nature, two were heterozygous for a gene which causes strong deviations in the normal sex distribution. 3. The researches made have shown that this ... Keywords: Ac, Ds, gene drive natural, history 1900-1950, transposable element |

Contact
David O’Brochta
Foundation for the
National Institutes of Health
geneconvenevi@fnih.org
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