期刊
AQUACULTURE
卷 308, 期 -, 页码 S51-S55出版社
ELSEVIER
DOI: 10.1016/j.aquaculture.2010.06.035
关键词
Yellowtail (Japanese amberjack); Seriola quinqueradiata; Genetic sex determination; Sex-linked marker
The sex-determining system of yellowtail (Japanese amberjack), Seriola quinqueradiata, is not known. In this study, we identified the sex-linked locus in yellowtail and we characterized the sex-determining system by genetic linkage analysis conducted on 19 female and 19 male progenies from a single family. The associations between phenotypic sex and genotypic data of 71 microsatellite markers selected from yellowtail genetic linkage map were tested. The putative sex-determining locus is located between locus Sequ21 and locus Sequ17 in LG12, and the sex-linked alleles were inherited from the female parent. This result suggests that yellowtail has a ZZ-ZW sex-determining system, and that it would be possible to use these sex-linked markers to discriminate the sexes. (C) 2010 Elsevier B.V. All rights reserved.
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