Abstract:
:"Parent-offspring conflict" is a theoretical concept proposing that siblings are selected to be slightly more greedy with each other than parents are selected to tolerate. This paper extends a class of previous models of parent-offspring conflict by introducing a new and more realistic dimension to the analysis: the amount of investment an offspring receives is influenced by non-genetic causes (environmental variance) as well as genetic causes. Results of previous models are substantiated for a wide range of conditions, with two interesting results: (1) direct testing of these models of parent-offspring conflict will prove harder than previously supposed, and (2) in some cases the conflict disappears. The models identify several difficulties that confront quantitative, empirical studies of parent-offspring conflict, and they may consequently help anticipate those aspects of parent-offspring conflict that are most amenable to study.
journal_name
Heredity (Edinb)journal_title
Heredityauthors
Bull JJdoi
10.1038/hdy.1985.65subject
Has Abstractpub_date
1985-08-01 00:00:00pages
1-8eissn
0018-067Xissn
1365-2540journal_volume
55 ( Pt 1)pub_type
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