 In all methods, specific sequences of spider DNA are inserted into the genetic makeup of the silkworm to create a silkworm that produces spider silk.That transgenic silkworm is then used as the basis for establishing a genetic line silkworms that also produce spider silk.Kriag Biocraft is able to customize the sequences that it inserts into the silkworm, thus giving them the ability to customize the resulting silk thread’s strength, flexibility and possibly other properties.