Optimum selection intensities in artificial selection programmes

An experimental evaluation

R. Frankham*

*Corresponding author for this work

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

An experimental evaluation of Robertson's (1970) theory concerning optimum intensities of selection for selection of varying durations has been carried out using published results from a long term selection study in Drosophila. Agreement of predicted rankings of treatments with expectations was excellent for low values of t/T (generations/total number scored) but poor for larger values of t/T. This was due to the 20% selection intensity treatments responding worse than expected and the 40% treatments relatively better than expected. Several possible reasons for the discrepancies exist but the most likely explanation is considered to be the greater reduction in effective population size due to selection in treatments with more intense selection.

Original languageEnglish
Pages (from-to)115-119
Number of pages5
JournalGenetical Research
Volume30
Issue number2
DOIs
Publication statusPublished - 1977
Externally publishedYes

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