Journal
BEHAVIOR GENETICS
Volume 31, Issue 2, Pages 167-177Publisher
KLUWER ACADEMIC/PLENUM PUBL
DOI: 10.1023/A:1010201427204
Keywords
Nasonia; courtship behaviour; interspecific hybrids; non-mendelian inheritance; reproductive isolation
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Nasonia courtship behaviour includes easily quantifiable, stereotyped components. We analysed displays of N. vitripennis X N. longicornis hybrid males. Most of them performed well-organised displays that were intermediate between the parental species. However, in both reciprocal crosses, a significant bias towards the behaviour of the grandpaternal species was observed. Possible explanations for this effect are a biased recovery of genotypes, either due to nucleo-cytoplasmic interaction or non-mendelian transmission, or differential activation of genes in hybrid females. This study is a first step towards unravelling the genetic architecture of courtship behaviour of Nasonia, which may provide information about factors responsible for species isolation.
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