The organization and genetics of rDNA length variants in peas

The organization and genetics of rDNA length variants in peas

There is extensive repeat length variation in pea rDNA. Many lines of pea have more than one repeat length class, and those with two rDNA repeat length classes are the most common. No interspersion of rDNA repeat length classes has been found. The rDNA length classes show simple Mendelian inheritanc...

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Veröffentlicht in:Chromosoma 1984-12, Vol.91 (1), p.74-81
Hauptverfasser: ELLIS, T. H. N, DAVIES, D. R, CATLETON, J. A, BEDFORD, I. D
Format: Artikel
Sprache:eng
Schlagworte:
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Genes. Genome
Molecular and cellular biology
Molecular genetics
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Zusammenfassung:There is extensive repeat length variation in pea rDNA. Many lines of pea have more than one repeat length class, and those with two rDNA repeat length classes are the most common. No interspersion of rDNA repeat length classes has been found. The rDNA length classes show simple Mendelian inheritance. Length variation of pea rDNA is organized between long tandem arrays of rDNA repeat. Studies of trisomics have shown that rDNA length class dosage correlates with chromosome dosage.
ISSN:0009-5915
1432-0886
DOI:10.1007/BF00286487