Williamson, Jack. Manseed. New York: Del Rey-Ballantine, 1982. [S. F.] Book Club Edition.
Features seedships that can produce cyborgs; the ships are designed to carry a genetically engineered humanity to the stars in "electromechanical wombs" (quotation from dust jacket). See this Category, C. Simak's "Target Generation," V. Vinge's, "Long Shot," N. Spinrad's The Iron Dream, and the generation-starship stories cited in the annotation for R. Heinlein's "Universe."