When the outgroup becomes ingroup and when the ingroup becomes outgroup: Xenophobia and social categorization in a resource allocation task

Tree Rooting with Outgroups When They Di

Tree Rooting with Outgroups When They Differ in Their Nucleotide Composition from the Ingroup: The Drosophila saltans and willistoni Groups, a Case Study

✍ Rosa Tarrı́o; Francisco Rodrı́guez-Trelles; Francisco J. Ayala 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 74 KB

Rooting is frequently the most precarious step in any phylogenetic analysis. Outgroups can become useless for rooting if they are too distantly related to the ingroup. Specifically, little attention has been paid to scenarios where outgroups have evolved different nucleotide frequencies from the ing