Lasting benefits of embryonic eavesdropping on parent-parent communication.

ABSTRACT: Developing embryos have traditionally been viewed as passive agents in the evolution of family conflicts, with maternal substances within the uterus or eggs as main factors modulating later expression of offspring solicitation behaviors. Yet, parent-offspring conflict theory predicts that offspring might also rely on alternative cues to adjust demand in response to prenatal cues of parental capacity for resource provisioning. Here, we show how embryonic experience with vocalizations carried out by parents during nest-relief displays at incubation adaptively shapes avian offspring development, providing lasting benefits to offspring. Genetic siblings prenatally exposed to different levels of parent-parent communication showed differences in epigenetic patterns, adrenocortical responsiveness

SUBMITTER: Ruiz-Raya F 

PROVIDER: S-EPMC11364100 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature