Journal
MOLECULAR ECOLOGY NOTES
Volume 2, Issue 1, Pages 4-6Publisher
BLACKWELL PUBLISHING LTD
DOI: 10.1046/j.1471-8286.2002.00124.x
Keywords
microsatellites; multiple paternity; Poeciliidae; sexually selected traits; sword; Xiphophorus
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Species of the genus Xiphophorus (swordtails and platies) are of great interest for the study of evolution of sexually selected traits like the sword, which is an elongation of ventral fin rays of the male caudal fin, that has evolved in several species within this genus. The detection of 10 microsatellites within the genus Xiphophorus will enable studies about the correlation of this trait with sexual reproductive success of males possessing swords of different lengths. These microsatellites will also be useful in determining population structure and enable paternity analysis in these species, where sperm storage is widespread.
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