Gene science is the most cutting-edge research content in this era, so Liu Hai's efforts in this area are appropriate high-tech.
In the 1860s, the geneticist Mendel put forward the view that biological traits are controlled by genetic factors through the analysis of pea hybridization experiments, but this view is only based on logical reasoning.
After the 1950s, with the development of molecular genetics, Watson and Crick put forward the double helix structure in particular.
In 1970, Berg began his first attempt to splice and splice two pieces of DNA, successfully connecting foreign gene fragments to the complete SV4