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The separation of epistatic from additive and dominance variation in generation means. II

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Summary

The difficulty of specifying additive and dominance variation in the presence of epistasis is described. This difficulty can be overcome when the epistasis is at a relatively low level of intensity but when epistasis is the major source of genetic variation no measure of additive or dominance variation is possible.

Heterosis in a cross between two inbred lines ofNicotiana rustica was found to be due to dominance opposed to a small extent by epistasis. The misleading nature of another method of partitioning heterosis is pointed out.

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References

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Authors and Affiliations

  1. Applied Mathematics Laboratory, D. S. I. R., Private Bag, Christchurch, New Zealand

    B. I. Hayman

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  1. B. I. Hayman
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Hayman, B.I. The separation of epistatic from additive and dominance variation in generation means. II. Genetica 31, 133–146 (1960). https://doi.org/10.1007/BF01984430

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  • DOI: https://doi.org/10.1007/BF01984430

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