chemical, biochemical, biotechnological products intended for industry, the sciences, agriculture, and horticulture, namely polypeptides for in vivo and in vitro genetic engineering, natural and engineered meganucleases and endonucleases, nucleic acid vectors, and molecular scissors, and ready to use genomic recombination systems primarily composed of DNA reagents and endonucleases for scientific research use; cells engineered by meganuclease recombination systems for scientific, laboratory o...