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PMID: 5009763 Published · ppublish English Journal Article

Tetraploid origin of the karyotype of catostomid fishes.

Science (New York, N.Y.) ·Vol. 175 ·No. 4022 ·1972-02-11 ·Pages 644-6

Uyeno T, Smith GR

Abstract

Catostomid fishes appear to have 2n(-->4n?) approximately 100 chromosomes. The Cyprinidae, from which catostomids probably diverged before the Eocene, usually have 2n = 48 or 50 chromosomes. Preliminary cytophotometric measurements indicate an approximate doubling of DNA content of cells among catostomids.

MeSH Terms
Animals Biological Evolution Cyprinidae Cytogenetics DNA/analysis Epithelial Cells Fishes Gills/cytology Karyotyping Mitosis Polyploidy
Chemicals
DNA
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Uyeno T
Smith G R
Article Info
Journal
Science (New York, N.Y.)
Abbr.
Science
ISSN
0036-8075
DOI
10.1126/science.175.4022.644
Published
1972-02-11
Pages
644-6
Language
English
Region
United States
NLM ID
0404511
Subset
IM
External Links
PubMed source DOI: 10.1126/science.175.4022.644 View journal details
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