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Mapping of the seed storage protein locusSec-2in rye

✍ Scribed by J. Sybenga; S. Parmar; J. Eden; P. Shewry

Publisher
Springer Netherlands
Year
1991
Tongue
English
Weight
359 KB
Volume
84
Category
Article
ISSN
0016-6707

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✦ Synopsis

The segregation of the 75K gamma secalin locus (Sec-2) in combination with five interchanges (reciprocal translocations) and two marker genes was analyzed. The translocations involved chromosome arms 1RL, 1RS, 2RL, 2RS, 4RL, 5RL, 5RS, 6RL and 6RS. The gene loci were both on 2R, but the arm was not known. Although the Sec-2 locus was expected to be on chromosome 2RS, no linkage between Sec-2 and any of the markers was found. This is concluded to be the result of exceptionally frequent recombination between Sec-2 and the break point of one of the translocations, which is the only marker in 2RS.

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