The Sex-Determining Locus in the Tiger Pufferfish,<i>Takifugu rubripes</i>

Abstract

The tiger pufferfish (fugu), Takifugu rubripes, is a model fish that has had its genome entirely sequenced. By performing genomewide linkage analyses, we show that the sex of fugu is determined by a single chromosomal region on linkage group 19 in an XX-XY system.