Second discovery of multiple sex chromosomes among fishes.
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Biomedical subjects
T Uyeno
Publications and source records attributed to T Uyeno.
Tetraploid origin of the karyotype of catostomid fishes.
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.
Animals↗
Multiple sex chromosomes in a Mexican cyprinodontid fish.
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