After S-type bacteria are mixed with dead R-type bacteria, they will absorb the DNA released by R-type bacteria, so it is possible to obtain the gene that produces capsules, thus producing capsules. This is verified by experiments. Radiolabeled evidence shows that radiolabeled R-type bacteria are ingested into S-type bacteria. You see, S-type bacteria have obtained the DNA of R-type bacteria and integrated it into their own DNA. This is a reorganization process. Don't think that recombination only happens during meiosis.