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Female preference for male sword length in the green swordtail, Xiphophorus helleri (Pisces: Poeciliidae)

✍ Scribed by Alexandra L. Basolo

Book ID
117028351
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
601 KB
Volume
40
Category
Article
ISSN
0003-3472

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The sex-determining mechanism of swordtails (Xiphophorus, Poeciliidae, Pisces) is poorly understood, because many laboratory strains of these species are characterized by biased sex ratios in either the male or female direction. Because of these ratios sex determination is said to be controlled by n