Forbes contributors publish independent expert analyses and insights. Telomeres, the protective caps at the ends of our chromosomes, act much like the plastic tips of shoelaces, preventing our DNA ...

Most mammals, including humans, have two sex chromosomes, X and Y. One sex chromosome is usually inherited from each parent, and they pair up as either XX or XY in every cell of the body. People with ...

Scientists have taken an important step toward a gene therapy that could one day turn off the extra genetic material that ...

In a time when what defines gender is being questioned and discussed, a new study reveals that single changes in DNA make ...

An international research team led by Martin Petr and Janet Kelso of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, has determined Y chromosome sequences of three ...

A study shows that extra chromosomes in fetal cells create pre-leukemic clones that can persist for years, requiring later triggers to develop into leukemia, revealing a two-stage disease model.

Processes such as wound healing, hair growth, and the continual renewal of cells all rely on cell division. In this process, chromosomes must be evenly distributed between two daughter cells. Even ...

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 ...

All processes such as wound healing, hair growth, and the replacement of old cells with new ones depend on cell division.

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 ...