Document Detail


Absence of qualitative genes controlling interspecific pairing in rye B chromosomes.
MedLine Citation:
PMID:  24317687     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The meiotic behaviour of hybrids between Secale cereale carrying B chromosomes and S. vavilovii has been studied in order to estimate the effects of B chromosomes on hybrid meiotic pairing. The possible effect of Bs on the meiotic pairing of the offspring from backcrosses with S. vavilovii has been studied also. The results obtained clearly indicate that no detectable differences existed in chromosome pairing of hybrids with or without B chromosomes. The hypothetical existence of epistatic genes on cereale genome masking the effect of Bs has been rejected after the results obtained in backcrosses. Therefore, lack of qualitative genes controlling interspecific pairing on rye B chromosomes has been concluded. A quantitative effect of B chromosomes was detected only when they were in alien cytoplasm.
Authors:
R Carmona; M J Puertas
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik     Volume:  51     ISSN:  1432-2242     ISO Abbreviation:  Theor. Appl. Genet.     Publication Date:  1977 May 
Date Detail:
Created Date:  2013-12-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0145600     Medline TA:  Theor Appl Genet     Country:  -    
Other Details:
Languages:  ENG     Pagination:  111-117     Citation Subset:  -    
Affiliation:
Departamento de Genética, Facultad de Biología, Universidad Complutense, Madrid, Spain.
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