Each time a cell divides, a small section of each chromosome's protective cap—the telomere—is worn away. Most cells use an ...

The Synthetic Human Genome, or Syn HG, a project launched on June 26th, aims to change that. Funded partly by Wellcome, a ...

DNA is a biological molecule that contains the instructions an organism needs to function, develop, and reproduce. It is present in all forms of life on earth and contains each organism’s ...

Chromosomes are tightly coiled structures in each of your cells that contain DNA, the code for all life. DNA is organized in segments on chromosomes called genes. Humans typically have 46 ...

That is, some experts warn, unless we evolve a new sex gene.Fast. The issue is that the Y chromosome has been decaying since ...

singly substituted DNA strands. The product is a chromosome in which sister chromatids are single-stranded Watson–Crick (5′-to-3′ orientation) complements of each other.

Two new studies found that a small, missing piece of DNA located next to a specific protein resulted in orange fur coloration in cats. ... and males have an X chromosome and a Y chromosome.

Scientists have long suspected that orange color was a sex-linked trait — hiding somewhere on the X chromosome. ... The DNA secret behind orange cats. May 16, 2025 3:00 AM ET. By . Emily Kwong , ...

Astonishingly, this cephalopod Z chromosome originated more than 480 million years ago, making it the most ancient animal sex chromosome known. The findings were posted on the preprint server bioRxiv.