Since the 1 920s, when researchers began to study chromosomes, the analysis of human chromosomes has presented a particularly tough technological challenge, simply because there are so many of them.

The Y chromosome is among the smallest in the human body and carries the fewest genes. Researchers are paying renewed attention to its role in cancer—specifically, what happens when it vanishes.

Ancient linkups may have happened more frequently between female humans and male Neanderthals, according to an new genetic ...

New research reveals that ancient interbreeding between humans and Neanderthals shaped our modern human DNA - especially on the X chromosome.

Pt. A. Gene cloning -- cDNA cloning method using stable expression in mammalian cells / Toru Miki and Stuart A. Aaronson -- Normalization and selection with short-fragment cDNAs / Satish Parimoo, ...

The human genome is a rich, complex record of migration, encounters, and inheritance written over thousands of millennia.

Karyotype analysis includes complete chromosome analysis of at least twenty metaphases with at least two cut karyotypes. The presence or absence of an acquired clonal chromosomal abnormality may aid ...

By late middle age, as many as four in ten men have quietly lost the Y chromosome in some blood cells. Scientists are now ...