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Genetics. 1998 Sep;150(1):275-82.

A composite genetic map of the parasitoid wasp Trichogramma brassicae based on RAPD markers.

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Laboratoire de Biologie des Invertébrés, Biologie des Populations, INRA, 06606 Antibes, France.


Three linkage maps of the genome of the microhymenopteran Trichogramma brassicae were constructed from the analysis of segregation of random amplified polymorphic DNA markers in three F2 populations. These populations were composed of the haploid male progeny of several virgin F1 females, which resulted from the breeding of four parental lines that were nearly fixed for different random amplified polymorphic DNA markers and that were polymorphic for longevity and fecundity characters. As the order of markers common to the three mapping populations was found to be well conserved, a composite linkage map was constructed. Eighty-four markers were organized into five linkage groups and two pairs. The mean interval between two markers was 17.7 cM, and the map spanned 1330 cM.

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