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Specimen
090
A video showing conjugation of two Coleps spp. These are two similar-looking but sexually distinct partners connected at their front ends, exchanging genetic material via a plasma bridge. Reproduction in Coleps ciliates is primarily asexual, by binary fission, but sexual reproduction also occurs by conjugation, a process by which two organisms exchange nuclear material. Genetic exchange during sexual reproduction involves the micronucleus. After conjugation, the two ciliates divide and produce four identical organisms. |