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The influence of the y locus on DDT resistance in the mosquito Aedes aegypti L

Published online by Cambridge University Press:  14 April 2009

R. J. Wood
R. J. Wood
Affiliation:
Department of Zoology, University of Manchester
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Summary

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The influence of the linkage group II locus y on DDT resistance in Aedes aegypti has been studied in crosses between the Trinidad resistant strain and QS susceptible strain. The y locus influences DDT resistance in both R/R and R/+ larvae. The effect of y may be interpreted as reducing the penetrance of R (RDDT1), which is also located on linkage group II. y+ is partially dominant and incompletely penetrant in its resistance-enhancing role (although in its pleiotropic effect on larval colour it is dominant and fully penetrant). Penetrance of y+ is influenced by an environmental factor, probably associated with the larval diet.

The effect of y on resistance is evaluated in relation to other genetic influences on the expression of RDDT1.

The significance of polymorphism at the y locus is discussed.

Type
Research Article
Information
Genetics Research , Volume 16 , Issue 1 , August 1970 , pp. 37 - 47
Copyright
Copyright © Cambridge University Press 1970

References

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