Letter | Published:

A Spurious Significance in Genecological Trials


ATTENTION has been directed1 to the fact that reduplication of individual genotypes in population sampling gives rise to spuriously low values of the standard error, and hence misleadingly high significance of difference between populations. This naturally leads one to wonder whether reduplicated genotypes are at all frequent in population samples. Further work on perennial plants of hill grazings has now suggested that the risk of reduplication is very high in some cases.

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  1. 1

    Harberd, D. J., New Phytol., 56, 269 (1957).

  2. 2

    Williams, C. B., J. Ecol., 42, 1 (1954).

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