introgressiveadj.
/ɪntrəʊˈɡrɛsɪv/ Biology.
Characterized by, bringing about, or resulting from introgression; introgressive hybridization, introgression; hybridization leading to introgression.
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the world > life > biology > biological processes > genetic activity > [noun] > changes or actions of genes or chromosomes > transfer
translocation1921
transposition1924
introgression1938
introgressive hybridization1938
sexduction1960
transgenosis1973
the world > life > biology > biological processes > genetic activity > [adjective] > changes or actions of genes or chromosomes > transfer
introgressive1938
introgressed1965
1938 Anderson & Hubricht in Amer. Jrnl. Bot. XXV. 396 We have therefore given it a distinctive name, introgressive hybridization.
1938 Anderson & Hubricht in Amer. Jrnl. Bot. XXV. 398 The introgressive effect of T. canaliculata.
1950 G. L. Stebbins Variation & Evol. in Plants vii. 263 The habitat provides an ecological niche for the establishment of the introgressive types.
1968 J. A. Serra Mod. Genetics III. xx. 199 The introgressive introduction of some loci of Nicotiana plumbaginifolia into N. tabacum.
1970 Watsonia 8 85 (heading) Introgressive hybridisation between British annual Senecio species.
1971 V. Grant Plant Speciation iv. 51 Such bridging populations of hybrid origin fall into two general classes: hybrid swarms and introgressive populations.
1971 G. L. Stebbins Chromosomal Evol. Higher Plants v. 149 The phenomenon of introgressive hybridization or introgression is a sequence of three processes: hybridization, back crossing, and natural selection of back cross derivatives in a habitat where they are superior to either of the original parents.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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adj.1938