Scientific Source #113 – Report
“[A]ll organisms, however large and complex they may be when full grown begin life as but a single cell”; “This is true of the human being, for instance, who begins life as a fertilized ovum”. 113
113 Asimov, I., The Genetic Code 20 (1962) (cited in The Human Life Bill: Report on S. 158 Before the Subcommittee on Separation of Powers of the Senate Committee on the Judiciary, 97th Cong., 1st Sess. (1981), p. 7-8).