Fig. 1From: Formation of diploid and triploid hybrid groupers (hybridization of Epinephelus coioides ♀ × Epinephelus lanceolatus ♂) and their 5S gene analysisKaryotypic analysis of the groupers. a metaphase images of E. coioides (♀); b metaphase images of E. lanceolatus (♂); c metaphase images of diploid hybrid grouper (DH); d metaphase images of triploid hybrid grouper (TH); e inheritance relationship of the ‘st’ chromosomes; f quantity inheritance relationship of the two-armed chromosomes, ‘*’ indicated the true composition; sm: submetacentric chromosome; st: subtelocentric chromosome; t: telocentric chromosome; NF: number of the total fact arms. Arrows: the two-armed chromosomes of corresponding fish types. Bars = 5 μmBack to article page