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Plant y chromosome degeneration is retarded by haploid purifying selection

Abstract:

Sex chromosomes evolved many times independently in many different organisms [1]. According to the currently accepted model, X and Y chromosomes evolve from a pair of autosomes via a series of inversions leading to stepwise expansion of a nonrecombining region on the Y chromosome (NRY) and the consequential degeneration of genes trapped in the NRY [2]. Our results suggest that plants represent an exception to this rule as a result of their unique life-cycle that includes alteration of diploid...

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Publisher copy:
10.1016/j.cub.2011.07.045

Authors


Chibalina, MV More by this author
Filatov, DA More by this author
Journal:
Current Biology
Volume:
21
Issue:
17
Pages:
1475-1479
Publication date:
2011-09-13
DOI:
ISSN:
0960-9822
URN:
uuid:6cbab62a-4f94-4ca6-a6f4-19900f61159f
Source identifiers:
179897
Local pid:
pubs:179897
Language:
English

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