Hybridization is a major evolutionary force that can erode genetic differentiation between species. whereas reproductive isolation maintains such differentiation. In studying a hybrid zone between the swallowtail butterflies Papilio syfanius and Papilio maackii (Lepidoptera: Papilionidae). we made the unexpected discovery that genomic substitution rates are unequal between the parenta... https://www.jandroutboard.com/product-category/default/