Evolution of genetically correlated traits: tooth size and body size in baboons

American Journal of Physical Anthropology
Leslea J HluskoMichael C Mahaney

Abstract

Within a population, only phenotypic variation that is influenced by genes will respond to selection. Genes with pleiotropic effects are known to influence numerous traits, complicating our understanding of their evolution through time. Here we use quantitative genetic analyses to identify and estimate the shared genetic effects between molar size and trunk length in a pedigreed, breeding population of baboons housed at the Southwest National Primate Research Center. While crown area has a genetic correlation with trunk length, specific linear measurements yield different results. We find that variation in molar buccolingual width and trunk length is influenced by overlapping additive genetic effects. In contrast, mesiodistal molar length appears to be genetically independent of body size. This is the first study to demonstrate a significant genetic correlation between tooth size and body size in primates. The evolutionary implications are discussed.

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Citations

May 12, 2011·Integrative and Comparative Biology·Katrina McGuiganWilliam A Cresko
Nov 1, 2013·ILAR Journal·Laura A CoxJohn L VandeBerg
Mar 1, 2009·Evolutionary Biology·Leslea J Hlusko, Michael C Mahaney
Apr 6, 2011·Journal of Human Evolution·Gregory E Blomquist, Jean E Turnquist
Jun 29, 2011·American Journal of Physical Anthropology·Jeremiah E Scott
Jul 14, 2010·American Journal of Physical Anthropology·Charles C RosemanJames M Cheverud
Jan 21, 2015·Journal of Trauma & Dissociation : the Official Journal of the International Society for the Study of Dissociation (ISSD)·Kenneth S Pope
Sep 1, 2015·PloS One·Mieczyslaw WolsanMasaharu Motokawa
Jul 13, 2016·Proceedings of the National Academy of Sciences of the United States of America·Leslea J HluskoMichael C Mahaney
Aug 16, 2017·Proceedings of the National Academy of Sciences of the United States of America·Elodie RenvoiséJukka Jernvall
Oct 14, 2018·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Tesla A MonsonLeslea J Hlusko
Jun 15, 2007·American Journal of Physical Anthropology·Kathleen M Muldoon, Elwyn L Simons
Sep 2, 2020·Die Naturwissenschaften·Marianne F BrasilLeslea J Hlusko
Jan 8, 2013·Evolution; International Journal of Organic Evolution·Theresa M GriecoLeslea J Hlusko
Aug 24, 2017·American Journal of Physical Anthropology·Christopher M StojanowskiDebbie Guatelli-Steinberg
Oct 7, 2020·Proceedings of the National Academy of Sciences of the United States of America·Tesla A MonsonMarc Scherrer
Apr 2, 2021·Integrative Organismal Biology·N S VitekJ I Bloch
Dec 24, 2020·Molecular Biology and Evolution·Manuel Jara-EspejoSergio Roberto Peres Line
Jun 5, 2021·Proceedings of the National Academy of Sciences of the United States of America·Aidan M C CouzensMartin Rücklin
Oct 16, 2020·Journal of Human Evolution·Anna M Hardin
Jan 5, 2022·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Anna M HardinRichard J Sherwood

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