Strong selection is poorly aligned with genetic variation in Ipomoea hederacea: implications for divergence and constraint.

Abstract excerpt

The multivariate evolution of populations is the result of the interactions between natural selection, drift, and the underlying genetic structure of the traits involved. Covariances among traits bias responses to selection, and the multivariate axis which describes the greatest genetic variation is expected to be aligned with patterns of divergence across populations. An exception to this expectation is when...

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