Figure 2.11 Phylogenetic tree of placental mammals with a ma
發(fā)布日期：2006-04-15 來源：- 作者：572 x 811 像素
核心提示：This tree used
the 2,947 bp nuclear sequences,
which were available for a wider range
of species than the longer 5,708 bp
sequences (mixture of nuclear and
mitochondrial sequences). The letters
at each branch point indicate a
decreasing likeli
