_:vb50937507 . _:vb50937507 . _:vb50937507 . _:vb50937507 . _:vb50937507 . _:vb50937507 "A monogenic disease that has_material_basis_in muations on the Y chromosome."^^ . _:vb50937507 "url:http://en.wikipedia.org/wiki/Genetic_disorder#Y-linked"^^ .