During meiosis, the cell division process central to sexual reproduction, all chromosomes must figure out where to destroy ...

In some organisms, like humans, chromosomes are linear, but in other organisms, like bacteria, chromosomes are typically circular. In prokaryotes, the circular chromosome is contained in the ...

In humans and many other animals, specific chromosomes determine sex. But how did researchers discover these so-called sex chromosomes? Throughout the many observations that led to this conclusion ...

Scientists from the Kavli Institute of Delft University of Technology and the IMP Vienna Biocenter have discovered a new ...

The biological factory that produces reproductive cells has a robust quality control system to identify and eliminate eggs ...

Specialized protein machines called SMC complexes (Structural Maintenance of Chromosomes) play a critical role in these ...

These cells are known as aneuploid cells, and have an abnormal number of chromosomes. They're common in invasive breast ...

Each human cell contains 23 pairs of chromosomes that carry DNA within their nucleus. The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the ...

Each human body cell contains 46 chromosomes. These can be arranged into 23 pairs. Each chromosome in a pair carries the same types of genes. The 23rd pair are the sex chromosomes: In females ...

Researchers at McMaster University have uncovered unexpected diversity in the genetic processes that determine the sex of the ...

Researchers at McMaster University have uncovered unexpected diversity in the genetic processes that determine the sex of the ...