On the Origin of Neo-Sex Chromosomes in the Neotropical Dragonflies <i>Rhionaeschna bonariensis</i> and <i>R. planaltica</i> (Aeshnidae, Odonata)

Odonata have holokinetic chromosomes. About 95% of species have an XX/X0 sex chromosome system, with heterogametic males. There are species with neo-XX/neo-XY sex chromosomes resulting from an X chromosome/autosome fusion. The genus <i>Rhionaeschna</i> includes 42 species found in the Am...

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Bibliographic Details

Published in:	Insects
Main Authors:	Liliana M. Mola, Iva Vrbová, Daniela S. Tosto, Magda Zrzavá, František Marec
Format:	Article
Language:	English
Published:	MDPI AG 2022-12-01
Subjects:	dragonflies holokinetic chromosomes nucleolar organizer region ribosomal DNA structural rearrangements meiosis
Online Access:	https://www.mdpi.com/2075-4450/13/12/1159