Speciation and development

Author:

Cutter Asher D.1ORCID

Affiliation:

1. Department of Ecology & Evolutionary Biology University of Toronto Toronto Ontario Canada

Abstract

AbstractUnderstanding general principles about the origin of species remains one of the foundational challenges in evolutionary biology. The genomic divergence between groups of individuals can spawn hybrid inviability and hybrid sterility, which presents a tantalizing developmental problem. Divergent developmental programs may yield either conserved or divergent phenotypes relative to ancestral traits, both of which can be responsible for reproductive isolation during the speciation process. The genetic mechanisms of developmental evolution involvecis‐ andtrans‐acting gene regulatory change, protein–protein interactions, genetic network structures, dosage, and epigenetic regulation, all of which also have roots in population genetic and molecular evolutionary processes. Toward the goal of demystifying Darwin's “mystery of mysteries,” this review integrates microevolutionary concepts of genetic change with principles of organismal development, establishing explicit links between population genetic process and developmental mechanisms in the production of macroevolutionary pattern. This integration aims to establish a more unified view of speciation that binds process and mechanism.

Funder

Natural Sciences and Engineering Research Council of Canada

Publisher

Wiley

Subject

Developmental Biology,Ecology, Evolution, Behavior and Systematics

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