Chinese researchers design new technology for semi-cloning in zebrafish

June 21, 2026 - 23:29

Chinese scientists have announced a new technology for semi-cloning in zebrafish, as detailed in a recent study published in the journal Cell Research. Semi-cloning is a distinct method for creating individual animals, and this work focuses on refining the process in the widely studied fish species.

Unlike full cloning, where an entire set of genetic material is transferred, semi-cloning involves combining a haploid genome from one parent with a diploid genome from another. This creates offspring that carry a unique mix of genetic contributions. The researchers designed a new approach to make this process more efficient and reliable in zebrafish, which are a common model for studying genetics and development.

The team focused on overcoming specific biological hurdles that often cause semi-cloning attempts to fail. By adjusting the timing and handling of the genetic material, they achieved higher success rates in producing viable embryos. The resulting zebrafish showed normal growth and development, indicating the technique could be a useful tool for future research.

This advancement may help scientists better understand how genetic material from two different sources interacts during early development. It could also open new ways to study diseases or traits that are linked to specific genetic combinations. The study highlights how zebrafish continue to serve as a valuable platform for exploring complex biological processes.