Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
This Focus is devoted to Genomics and to the unravelling of the molecular basis of leukemias and germane diseases. As we enter a new era in science, compelling us to reinterpret the meaning of our experiments and leading us to new categories of diagnostic and prognostic groups, we are obliged to embrace an utterly staggering number and complex network of genes.