Summary
The consequences are considered of digenic interactions for the variances and covariances commonly estimated from randomly breeding populations. The interaction affects the constitutions of DR and HR as well as introducing new quadratic terms by which, in principle, its presence can be detected. In practice the chief consequence of interaction is likely to be to alter the apparent values of DR and HR as estimated from the variances and covariances.
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References
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Mather, K. Non-allelic interaction in continuous variation of randomly breeding populations. Heredity 32, 414–419 (1974). https://doi.org/10.1038/hdy.1974.53
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DOI: https://doi.org/10.1038/hdy.1974.53
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