The Role of MC1R in Speciation & Phylogeny

Susan Offner

doi:10.1525/005.075.0902

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Susan Offner¹

¹Susan Offner is a Biology Teacher at Lexington High School, Lexington, MA 02421. E-mail: . soffner@ix.netcom.com

Abstract

A point mutation in the MC1R gene, a G-protein-coupled receptor, has been found that could have led to the formation of two subspecies of Solomon Island flycatcher from a single ancestral population. I discuss the many roles that G-protein-coupled receptors play in vertebrate physiology and how one particular point mutation can have enormous evolutionary consequences.

© 2013 by National Association of Biology Teachers. All rights reserved. Request permission to photocopy or reproduce article content at the University of California Press's Rights and Permissions Web site at www.ucpressjournals.com/reprintinfo.asp.

Citation Download Citation

Susan Offner "The Role of MC1R in Speciation & Phylogeny," The American Biology Teacher 75(9), 670-676, (1 November 2013). https://doi.org/10.1525/005.075.0902

Published: 1 November 2013