Synonyms for "image cDNA clones" would include "visualize cDNA clones," "picture cDNA clones," or "depict cDNA clones." Other options might include "illustrate cDNA clones," "represent cDNA clones," or simply "show cDNA clones." These synonyms all reflect the concept of creating some kind of visual representation of genetic material, which can be useful in research and analysis. Depending on the context and intended audience, different synonyms may be more appropriate or effective. Ultimately, the choice of words should be driven by clarity and accuracy, so that the intended meaning is conveyed clearly and effectively.