Figure 5From: Cytogenetic studies in Eigenmannia virescens (Sternopygidae, Gymnotiformes) and new inferences on the origin of sex chromosomes in the Eigenmannia genusSex chromosomes in various species of Eigenmannia. (A) Sex chromosome differentiation in Eigenmannia sp.2. (B-G) Independent sex chromosome differentiation mechanisms in populations of E. virescens from: (B) Mogi-Guaçu, (C) Tiete River, (D) São Francisco River, (E) Marajo Island, (F) Middle Amazonas River, and (G) sample from present work.Back to article page