Song Sparrow (Melospiza melodia) Science Article 11
Mitochondrial DNA (mtDNA) control-region (CR) sequences were analysed to address three questions regarding the evolution of geographical variation in song sparrows. (i) Are mtDNA sequences more informative about phylogenetic relationships and population history than previously published restriction fragment (RFLP) data?
ADAM J. FRY & ROBERT M. ZINK, Molecular Ecology Vol. 7, 10, P1303-1313, 2002