“Development begins at fertilization, when a sperm unites with an oocyte to form a zygote (from the Greek zygotus, meaning “yoked together”). Each of us started life as a cell called a zygote.” 111
111 Moore, K., The Developing Human 1, 12 (2d. ed. 1977) (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).