Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2017 Apr 24;7:1084. doi: 10.1038/s41598-017-01195-4

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

PMC Copyright notice

Ancestral state reconstruction of sex determination systems in terrestrial isopod crustaceans, based on a Bayesian phylogenetic analysis using 88 molecular markers. The reconstruction is based on the one-parameter equal rates model (“ER” model), considering the A. assimile sex determination system as unknown. Pie charts on nodes show the probability of the ancestral state at each node, calculated from 1,000 stochastic mappings. Branch length is scaled to time, with nodal ages corresponding to median posterior estimates. *Denote the calibration points. Red and blue squares at branch tips indicate a ZZ/ZW and XY/XX sex determination systems, respectively. Transitions of sex determination systems determined by parsimony ancestral state reconstruction are outlined with arrows (one red arrow for a transition from XY/XX system to ZZ/ZW, and two blue arrows for transitions from ZZ/ZW to XX/XY systems). Isopod family names and higher taxonomic ranks are shown on the right.