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alien substitution

alien substitution

[¦āl·ē·ən ‚səb·stə′tü·shən]
(genetics)
The replacement of one or more chromosomes by those from a different species.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Fraser & Ledingham) resistant 6x amphiploid from a tetraploid x diploid cross (1,3,4), and irradiation with thermal neutrons in 1968 was a key step in stabilizing genes from a monosomic alien substitution line (6,7), the ultimate donor of the gene or genes for resistance to crown rust.
Registration of `Bay' Oat
Fraser & Ledingham) resistant 6[chi] amphiploid from a tetraploid X diploid cross (1,3,4), and irradiation with thermal neutrons in 1968 was a key step in stabilizing genes from a monosomic alien substitution line (6,7), the ultimate donor of the gene or genes for resistance to crown rust.
Registration of `Belle' Oat
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