| − | A situation in which the chromosome loses or gains genes during meiosis.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref> | + | A situation in which the [[chromosome]] loses or gains [[genes]] during [[meiosis]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref> |