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A GENETIC-MAP OF RYE CHROMOSOME 1R INTEGRATING RFLP AND CYTOGENETIC LOCI

被引：21
作者：
WANOUS, MK
GUSTAFSON, JP
机构：
[1] UNIV MISSOURI,DIV BIOL SCI,COLUMBIA,MO 65211
[2] UNIV MISSOURI,USDA ARS,PLANT SCI UNIT,PLANT GENET RES UNIT,COLUMBIA,MO 65211
来源：
THEORETICAL AND APPLIED GENETICS | 1995年 / 91卷 / 05期
关键词：
SECALE CEREALE; RFLP; CYTOGENETIC MAPPING; C-BAND; IN SITU HYBRIDIZATION;
D O I：
10.1007/BF00220949
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
A genetic map of rye, Secale cereale L., chromosome 1R covering 247 cM was constructed utilizing 27 RFLP and four C-band markers, including terminal C-bands. Genetic mapping of C-bands and the centromere, and in situ hybridization of three RFLP clones, allowed for the integration of the genetic and cytological maps. Eight contact points between the genetic and cytological maps revealed variation in the recombination distance to cytological distance ratio ranging between 0.25 and 1.95, a 7.8-fold difference. Recombination was found to be highest in the satellite region of 1RS and lowest in the most distal region of 1RL.
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页码：720 / 726
页数：7
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