"Star Phylogeny" of Atlantic Cod (Gadus morhua) mtDNA genotypes

Phylogenetic relationships among 50 mitochondrial cytochrome b haplotypes in Atlantic cod (Gadus morhua). A majority-rule consensus diagram is shown: numbers on branches indicate the percentage occurrence of that branch in all trees of  minimum length. Genotype A is the majority genotype in all populations examined from the Northwest Atlantic (mean frequency >70%): most variant gentoypes differ from it by a single nucleotide substitution (Figure 2 of Carr & Crutcher 1997).


All text material © 2004 by Steven M. Carr