Neighbor-Joining/UPGMA method version 3.6b 6 Populations Neighbor-joining method Negative branch lengths allowed +-----B ! ! +-----C ! ! 2--3 +----D ! ! +---1 ! +-4 +---E ! ! ! +------------------------------------F ! +----A remember: this is an unrooted tree! Between And Length ------- --- ------ 2 B 0.20157 2 3 0.09376 3 C 0.20658 3 4 0.04165 4 1 0.12704 1 D 0.17888 1 E 0.13840 4 F 1.23847 2 A 0.14303