HETEROZYGOSITY IN TETRAPLOID POTATOES REVEALED BY RDNA POLYMORPHISM ANALYSIS OF THEIR DIHAPLOID PROGENIES - A CONTRIBUTION TO CHROMOSOME ASSIGNMENT

被引：4

作者：

GRUBER, V

机构：

[1] UNIV PARIS 11,GENET VEGETABLE LAB,CNRS,URA 115,F-91405 ORSAY,FRANCE

[2] UNIV PARIS 11,BIOL MOLEC VEGETALE LAB,F-91405 ORSAY,FRANCE

来源：

PLANT MOLECULAR BIOLOGY | 1991年 / 17卷 / 05期

关键词：

CHROMOSOME ASSIGNMENT; DIHAPLOID PROGENIES; HETEROZYGOSITY; POTATO; RDNA; RFLP;

D O I：

10.1007/BF00037143

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Restriction map and organization of rDNA was inferred from analysis of dihaploid progenies of two tetraploid genotypes of cultivated potato. Each tetraploid genotype was characterized by a specific distribution of different types of rDNA repetition units on their four homologous chromosomes II. The genotypes were heterozygous and differed by the kind of units carried by each chromosome II. Models for the generation of the observed organization are discussed and supported by first cloning studies.

引用

页码：1045 / 1054

页数：10

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