Hybridization, Genetic genetics 18 hybridization 18 article 14 Animals 8 animal 8 histology 8 Crosses, Genetic 6 classification 6 cross breeding 6 evolution 6 Cactaceae 4 Cactophilic Drosophila 4 DNA sequence 4 Drosophila 4 Drosophila buzzatii 4 Evolution, Molecular 4 Female 4 Flowers 4 Genomics 4 Hybridization 4 Isoenzymes 4 Leaf morphology 4 Male 4 Molecular Sequence Data 4 Nothofagaceae 4 Nothofagus 4 Nothofagus antarctica 4 Nothofagus dombeyi 4 Patagonia 4