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 ...

A Cornell-led study is challenging a decades-old explanation for how chromosomes exchange genetic material within the ...

Synthetic human chromosomes may transform gene therapy by carrying large therapeutic genes without altering natural DNA. Here ...

Scientists were able to identify chromosomes under the microscope as early as the 19th century. But what did it take for them to figure out how important chromosomes really are? Aa Aa Aa The second ...

Egg cells missing a key protein may be more likely to end up with the wrong number of chromosomes, but an mRNA injection that ...

Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from ...

An illustration shows the process of cell division, which involves chromosome pairs swapping some of their genetic data. frentusha/iStock Variety is the spice of life—especially when it comes to ...

Triploidy is a condition that affects 1% to 3% of pregnancies. It’s when a developing baby has an extra set of chromosomes, the thread-like structures that carry DNA. A triploidy pregnancy usually ...

The first theoretical model of condensin, a molecular machine involved in packing and unpacking chromosomes, accurately reproduces all known experiments with just two parameters. To scrunch a ...