What Kind of Maternal Effects Can Be Selected For in Fluctuating Environments?

The American Naturalist
Stephen R Proulx, Henrique Teotónio

Abstract

Just as phenotypic plasticity can evolve when developing individuals get informational cues about their future adult environment, deterministic maternal effects, where offspring trait values depend on the maternal environment, can evolve when mothers gain reliable information about the environments their offspring will face. Randomizing maternal effects (a type of diversifying bet hedging), where offspring trait values are randomized, can evolve by natural selection even when information about future environments is unavailable. We investigate selection on both randomizing and deterministic maternal effects in environments that show correlated fluctuations between two environmental states. We compare the strength of selection for deterministic and randomizing maternal effects and explicitly consider maternal fitness costs of producing offspring with different phenotypes. Only a small set of environmental parameters allow randomizing maternal effects to outcompete deterministic maternal effects; not only must there be little or no information available about future environments, but the frequency of each environment must fall within a narrow range. By contrast, deterministic maternal effects can always invade an ancestral state ...Continue Reading

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Citations

Feb 10, 2018·Evolution, Medicine, and Public Health·Amanda J LeaSusan C Alberts
Feb 17, 2018·Behavioral Ecology and Sociobiology·M Rohaa Langenhof, Jan Komdeur
Dec 7, 2017·Evolution; International Journal of Organic Evolution·Bram Kuijper, Rufus A Johnstone
May 29, 2020·Evolution; International Journal of Organic Evolution·Yifan PeiBart Kempenaers
Jun 18, 2020·Proceedings. Biological Sciences·Gabriela TorresLuis Giménez
Jul 6, 2019·Frontiers in Cell and Developmental Biology·Leah Gulyas, Jennifer R Powell
Aug 11, 2020·Evolution Letters·Martin I LindAlexei A Maklakov
Jun 9, 2017·Genetics·Henrique TeotónioCharles F Baer
Feb 23, 2020·Ecology and Evolution·Jack M Colicchio, Jacob Herman
Feb 5, 2021·Science Advances·Paul VigneChristian Braendle
Mar 4, 2021·Current Zoology·Bram Vanden BroeckeHerwig Leirs
Mar 16, 2021·Frontiers in Plant Science·Ana López SánchezJurriaan Ton
Apr 20, 2021·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Bram Kuijper, Rufus A Johnstone
May 18, 2021·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Bram KuijperSasha R X Dall

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