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Melanomas inXiphophorus variatus (Pisces, Poeciliidae) in the absence of hybridization

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Zusammenfassung

Nachweis von genetisch bedingten Melanomen bei Wildfängen der reinen Art des ZahnkarpfenXiphophorus variatus, wobei es sich eindeutig nicht um einen Artbastard handelt.

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Literatur

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  2. Fish of pedigrees 2110 and 2112 were collected from the Arroyo Sarco, 2111 from the Arroyo La Flor and 2113 at Sta. Fe in July of 1967. N8-14 was collected as a juvenile from the Arroyo Sarco in December of 1970.Darnell 6 andBorowsky 3 describe these localities. Pedigrees 2110–2113 and their offspring were maintained in the Genetics Laboratory of the New York Zoological Society through the courtesy of Dr.K. D. Kallman.

  3. R. L. Borowsky, Ph. D. thesis Yale University (1969).

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  5. J. W. Atz, the female in figure 7 illustrates mild expression of the P2 gene.K. D. Kallman andJ. W. Atz, Op. Cit., figure 1 illustrates strong expression of the P2 gene.

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  6. R. M. Darnell, Publs Inst. mar. Sci. Univ. Tex.8, 299 (1962).

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  7. P=0.11.

  8. For the 2122 pedigree: 3 females, range of 4.3–7.3%, median=7.2%, 10 males, range of 4.2–36.5%, median=8.8%,p=0.143 (Wilcoxon'st-test). For the 2123 pedigree: 3 females, range of 1.7–2.4%, median=1.9%, 4 males, range of 2.5–21.3%, median =7.25%,p=0.029. The significance of the combined results evaluated by means of theKolmogorov-Smirnov statistic:p=0.05.

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  13. This work was supported in part by grant No. CA 06665 of the USPHS and in part by a grant from the Arts and Sciences Research Fund of New York University. I thank Dr.K. D. Kallman for the provision of facilities and his advice.

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Authors and Affiliations

  1. Department of Biology, New York University, 10003, New York, USA

    R. Borowsky

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  1. R. Borowsky
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Borowsky, R. Melanomas inXiphophorus variatus (Pisces, Poeciliidae) in the absence of hybridization. Experientia 29, 1431–1433 (1973). https://doi.org/10.1007/BF01922860

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