The chromosome 22 sequence turned out to be a good preview of what the whole genome had in store. The spacing of repeated sequences along the chromosome and the presence of large-scale duplications ...

The human genetic blueprint is deceptively simple. Our genes are tightly wound into 46 X-shaped structures called chromosomes. Crafted by evolution, they carry DNA and replicate when cells divide, ...

Chromosomes are masters of organization. These long strings of DNA fold down into an ensemble of compact structures that keep needed parts of the genome accessible while tucking away those that aren't ...