Document Detail

Heteromorphic sex chromosomes in three species of the genus Leporinus (Pisces, Anostomidae).
MedLine Citation:
PMID:  7226896     Owner:  NLM     Status:  MEDLINE    
The present paper describes three cases of heteromorphic sex chromosomes in fishes of the genus Leporinus (Anostomidae). An XX/XY type was found in Leporinus lacustris and a ZZ/ZW type in L. silvestrii and L. obtusidens. These facts agree with the observations of Ebeling and Chen (1970), who suggested that heterogamety evolved not once but many times among the teleosts.
P M Galetti; F Foresti; L A Bertollo; O Moreira Filho
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Cytogenetics and cell genetics     Volume:  29     ISSN:  0301-0171     ISO Abbreviation:  Cytogenet. Cell Genet.     Publication Date:  1981  
Date Detail:
Created Date:  1981-07-23     Completed Date:  1981-07-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0367735     Medline TA:  Cytogenet Cell Genet     Country:  SWITZERLAND    
Other Details:
Languages:  eng     Pagination:  138-42     Citation Subset:  IM    
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MeSH Terms
Fishes / genetics*
Sex Chromosomes / ultrastructure*
X Chromosome / ultrastructure
Y Chromosome / ultrastructure

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