20. Quantitative Genetics
Heritability
5:04 minutes
Problem 28c
Textbook Question
Textbook QuestionFloral traits in plants often play key roles in diversification, in that slight modifications of those traits, if genetically determined, may quickly lead to reproductive restrictions and evolution. Insight into genetic involvement in flower formation is often acquired through selection experiments that expose realized heritability. Lendvai and Levin (2003) conducted a series of artificial selection experiments on flower size (diameter) in Phlox drummondii. Data from their selection experiments are presented in the following table in modified form and content.
In terms of evolutionary potential, is a population with high heritability likely to be favored compared to one with a low realized heritability?
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