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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
New insights into the evolution of the W chromosome in Lepidoptera
 HEJNÍČKOVÁ, Martina
It is generally accepted that the W chromosome in moths and butterflies (Lepidoptera) has evolved in a common ancestor of Tischeriidae and Ditrysia. Several species of these clades were examined via comparative genomic hybridization to determine the presence of the W chromosome. In addition, in five selected genes their Z-linkage was tested by qPCR. The conserved synteny of the Z chromosome across Tischeriidae and Ditrysia, along with the W chromosome absence in the lower ditrysian families Psychidae and Tineidae, suggests a possible independent origin of the W chromosomes in these two lineages.
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