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Science 29 September 1967:
Vol. 157. no. 3796, pp. 1564 - 1567
DOI: 10.1126/science.157.3796.1564
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Articles

Gynogenesis and Triploidy in the Viviparous Fish Poeciliopsis

R. Jack Schultz 1

1 Department of Zoology and Entomology, University of Connecticut, Storrs

Three all-female strains of the viviparous fish Poeciliopsis occur in the Río Fuerte of Sinaloa, Mexico. Poeciliopsis lucida, a bisexual species, provides sperm for these monosexual forms which I designate as Cx, Cy, and Cz. Form Cy is a triploid that when test-mated to males of various species produces all-female, triploid offspring devoid of paternal characters. Both Cx and Cz are diploid and express characteristics of both parents.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Independent Origins of Allotriploidy in the Fish Genus Poeciliopsis.
M. Mateos and R. C. Vrijenhoek (2005)
J. Hered. 96, 32-39
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Coexistence of Clones in a Heterogeneous Environment.
R. C. VRIJENHOEK (1978)
Science 199, 549-552
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Unisexual Fish: Laboratory Synthesis of a "Species".
R. J. Schultz (1973)
Science 179, 180-181
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Meiosis in Triploid All-Female Fish (Poeciliopsis, Poeciliidae).
M. C. Cimino (1972)
Science 175, 1484-1486
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Lactate Dehydrogenase Isozymes in Parthenogenetic Teiid Lizards (Cnemidophorus).
W. B. Neaves and P. S. Gerald (1968)
Science 160, 1004-1005
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Science. ISSN 0036-8075 (print), 1095-9203 (online)