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Pannebakker2010JnlEvolBiol24QuantitativeGeneticBasis.pdf419.75 kBAdobe PDFView/Open
Title: The quantitative genetic basis of sex ratio variation in Nasonia vitripennis : a QTL study
Authors: Pannebakker, B. A.
Watt, R.
Knott, S. A.
West, S. A.
Shuker, David Michael
Keywords: Brood size
Clutch size
Linkage map
Local mate competition
Parasitoid wasp
Sex allocation
Parasitic wasp
Trait loci
Fig wasps
Variable fecundity
Information use
QH301 Biology
Issue Date: Jan-2011
Citation: Pannebakker , B A , Watt , R , Knott , S A , West , S A & Shuker , D M 2011 , ' The quantitative genetic basis of sex ratio variation in Nasonia vitripennis : a QTL study ' Journal of Evolutionary Biology , vol 24 , no. 1 , pp. 12-22 . , 10.1111/j.1420-9101.2010.02129.x
Abstract: Our understanding of how natural selection should shape sex allocation is perhaps more developed than for any other trait. However, this understanding is not matched by our knowledge of the genetic basis of sex allocation. Here, we examine the genetic basis of sex ratio variation in the parasitoid wasp Nasonia vitripennis, a species well known for its response to local mate competition (LMC). We identified a quantitative trait locus (QTL) for sex ratio on chromosome 2 and three weaker QTL on chromosomes 3 and 5. We tested predictions that genes associated with sex ratio should be pleiotropic for other traits by seeing if sex ratio QTL co-occurred with clutch size QTL. We found one clutch size QTL on chromosome 1, and six weaker QTL across chromosomes 2, 3 and 5, with some overlap to regions associated with sex ratio. The results suggest rather limited scope for pleiotropy between these traits.
Version: Publisher PDF
Status: Peer reviewed
ISSN: 1010-061X
Type: Journal article
Rights: (c) 2010 The Authors. Journal of Evolutionary Biology (c) 2010 European Society for Evolutionary Biology. Re-use of this article is permitted in accordance with the Terms and Conditions set out at
Appears in Collections:Centre for Higher Education Research (CHER) Research
University of St Andrews Research
Biology Research
Institute of Behavioural and Neural Sciences Research
Scottish Oceans Institute Research

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