Phylogenetic relationships of modern humans, Neandertals, and chimps.
Homo sapiens skull, front view
Homo sapiens skull, side view
A pedigree illustrating maternal inheritance of mtDNA and paternal inheritance of the Y chromosome.
Model organisms share with humans many key biochemical and physiological functions that have been conserved (maintained) by evolution.
Homo sapiens cro-magnon skull, front view
Homo sapiens cro-magnon skull, side view
Geneticist Jaume Bertranpetit speaks about the findings from Y-chromosome and mtDNA studies.
Human Neandertal mtDNA tree.
Our genome is a set of long DNA molecules containing tens of thousands of genes.