Doctors in Brazil discover and confirm that a woman has blood with male chromosomes, a rare case of human chimerism.

A heretical theory about the origins of cancer could explain a long-standing medical mystery - why cancers often become resistant to the drugs used to treat them. The controversial theory, if correct, ...

BOSTON—In a new study, Dana-Farber Cancer Institute scientists disprove a century-old theory about why cancer cells often have too many or too few chromosomes, and show that the actual reason may hold ...

Agrobacterium tumefaciens magnified 15,000 times in an image captured earlier this year with a scanning electron microscope at Iowa State University's Roy J. Carver High Resolution Microscopy Facility ...

A group of researchers has succeeded in splitting the E. coli chromosome into three of 1 million base pairs. The 1 million base pairs chromosome can be used for E. coli transformation. This E.

After sequencing centromeres in humans and other primates, researchers found that they vary greatly across species and potentially contribute to aging and disease. One reason scientists remained ...

Scientists have reached a new milestone in decoding the human genome, unlocking complex regions once believed to be too difficult to study. Researchers used long-read sequencing to analyze the DNA of ...