author: monroe w strickberger

... derived ( apomorphic ) characters and emphasize the latter to establish phylogenies . The sharing of derived ... character . Thus , unique character X shared by species A and C indicates a closer relationship than to species B ; A and C ...

Brian Keith Hall, Benedikt Hallgrímsson, Monroe W. Strickberger. 466 CHAPTER 23 : Allopatric Speciation and Hybridization Furthermore , allopatric populations require much greater genetic isolation ( greater genetic distance ) to achieve ...