Human Artificial Chromosomes Could Ferry Tons More DNA Cargo Into Cells

The human genetic blueprint is deceptively simple. Our genes are tightly wound into 46 X-shaped structures called chromosomes. Crafted by evolution, they carry DNA and replicate when cells divide, ensuring the stability of our genome over generations. In 1997, a study torpedoed evolution's playbook. For the first time, a team created an artificial human chromosome […]