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On one of the formulae proposed for interpreting transduction data

Published online by Cambridge University Press:  14 April 2009

G. W. P. Dawson
Affiliation:
Department of Genetics, Trinity College, Dublin
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The paper on the analysis of data from transduction experiments with Salmonella typhimurium, which was published in Genetical Research (Dawson, 1963), unfortunately contained an error on p. 419. In calculating the limiting values X/Y, the formulae for d and d′ are correctly stated, but their solutions are transposed. The last and third last lines on p. 419 should therefore be interchanged. In the arithmetic example on pp. 420 and 421, a similar interchange of the calculations of d and d′ is necessary. The maximum value of a/b is then:

and the calculation of the minimum value should be:

These values of 2·20 and 1·23 are to be compared with the values of 2·23 and 1·24 in the published paper.

Type
Short Notes
Copyright
Copyright © Cambridge University Press 1964

References

REFERENCES

Dawson, G. W. P. (1963). The interpretation of data from transduction experiments. Genet. Res. 4, 416426.CrossRefGoogle Scholar
Smith-Keary, P. F. & Dawson, G. W. P. (1963). Transduction analysis using leucine requiring mutants of Salmonella typhimurium. Genet. Res. 4, 426440.CrossRefGoogle Scholar