Document Detail


Mechanism of sex determination inRumex hastatulus Baldw.
MedLine Citation:
PMID:  24430447     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The results presented indicate that the sex determination mechanism in the Texas race ofR. hastatulus ♀ 2n = 10 (XX + 8A); ♂ 2n = 10 (XX + 8A)] is intermediate between theX/Y andX/A systems. In this race, sex is determined to some extent by theX/A balance, but theY chromosome also affects sex expression, maleness or intersexuality being correlated with different ratios ofX andY chromosomes.The results obtained for the Texas race are fully compatible with data presented by Smith (1963) for the North Carolina race [♀ 2n = 8 (XX + 6A); ♂ 2n = 9 (XX 1 Y 2 + 6A)]. It may be concluded that evolution of the karyotype in this species is not accompanied by changes in the mechanism of sex determination.
Authors:
E Bartkowiak
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik     Volume:  41     ISSN:  0040-5752     ISO Abbreviation:  Theor. Appl. Genet.     Publication Date:  1971 Jan 
Date Detail:
Created Date:  2014-01-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0145600     Medline TA:  Theor Appl Genet     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  320-6     Citation Subset:  -    
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