Parent-offspring coadaptation and the dual genetic control of maternal care

被引:140
作者
Agrawal, AF [1 ]
Brodie, ED
Brown, J
机构
[1] Indiana Univ, Dept Biol, Bloomington, IN 47405 USA
[2] Indiana Univ, Ctr Integrat Study Anim Behav, Bloomington, IN 47405 USA
关键词
D O I
10.1126/science.1059910
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
In many animal species, the amount of care provided by parents is determined through a complex interaction of offspring signals and responses by parents to those signals. As predicted by honest signaling theory, we show that in the burrower bug, Sehirus cinctus, maternal provisioning responds to experimental manipulations of offspring condition. Despite this predicted environmental influence, we find evidence from two cross-foster experiments that variation in maternal care also stems from two distinct genetic sources: variation among offspring in their ability to elicit care and variation among parents in their response to offspring signals, Furthermore, as predicted by maternal-offspring coadaptation theory, offspring signaling is negatively genetically correlated with maternal provisioning.
引用
收藏
页码:1710 / 1712
页数:3
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