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Showing 1 to 4 of 4 for “"Rivulus marmoratus"”.
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Using molecular genetic techniques to detect outcrossing in natural populations of a self-fertilizing fish
The hermaphroditic fish, Rivulus marmoratus, is the only vertebrate known to reproduce by internal self-fertilization; this process results in populations of homozygous clones. Most natural populations consist entirely of hermaphrodites, but phenotypically distinct, fertile males occur at …
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Hypervariable DNA markers and population structure in three fish species
… from Belize and Florida of the clonal species <i>Rivulus marmoratus</i> were examined to determine the relative contributions of mutation and migration to genetic variation in the species. Specimens of <i>Poecilia latipinna</i>, the sailfin molly, from Florida and Georgia were used to explore the …
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Variation at Major Histocompatibility Complex Class I Loci In Two Killifish Species with Reduced Genetic Variance
… has also been discussed. The marine killifish Rivulus marmoratus is the only vertebrate known to exist in nature in homozygous form. The findings of this study suggest that MHC class I genes at one locus in R. marmoratus have rapidly accumulated variation, particularly in region of the gene …
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Low Temperature Induction of Males and Other Developmental Anomalies in a Self-Fertilizing Hermaphroditic Fish Species
Rivulus marmoratus (Cyprinodont; Aplochelidae) is the only vertebrate known to reproduce by obligate internal self-fertilization. Selfing is the ultimate form of inbreeding and leads to virtual homozygosity in approximately ten generations, so that this mode of reproduction is effectively clonal. …