Almost nothing is known from hybridization studies about the inheritance of courtship behavior of females, or of their responsiveness to particular male signals.
Peter R. Grant
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To summarize, the particular song a male sings, and the behavioral responses of females to song and morphological signals, are not genetically inherited in a fixed manner but are determined by learning early in life.
- Peter R. Grant -
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Exchange of breeding individuals between two populations tends to homogenize their gene pools.
- Peter R. Grant