Human sex chromosomes originated from a pair of autosomes, the ordinary or non-sex chromosomes that contain the majority of our genome and come in identical pairs. That ancestral pair of autosomes ...

When plants end up with the wrong number of chromosomes, the consequences are usually dire. Cells starved of, or overloaded ...

Edwards syndrome, also known as trisomy 18, describes a rare genetic condition where a person has three copies of chromosome 18. Having an extra copy of this chromosome causes a variety of symptoms ...

A genome sequence for the flatworm Schmidtea mediterranea reveals a chromosome that might be primed to become a sex chromosome. The finding offers a remarkable chance to study the evolution of sex ...

Analysis of these vast quantities of data showed that most of the strains that had been aneuploid for a long time had compensated for the proteins encoded by the extra chromosome, meaning that these ...

Analysis of these vast quantities of data showed that most of the strains that had been aneuploid for a long time had compensated for the proteins encoded by the extra chromosome, meaning that these ...

Sex is determined in a variety of different ways throughout the animal kingdom. In mammals, it is determined genetically, not by temperature, as it can be in reptiles. Typically, females have two X ...

Turner syndrome is a chromosomal condition involving a person’s sex chromosomes. It is considered mosaic when an X chromosome is missing in some cells in people who have two X chromosomes. Share on ...