Scientific Source #141 – Report

“[T]he independent and actual existence of the child before birth, as a living being.” 141 141 AMA Committee on Criminal Abortion Report, 12 Trans. of the Am.Med.Assn. 778 (1859).

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Scientific Source #122 – Report

“A new individual is inaugurated in a single cell (zygote) that results from the union of a male gamete (spermatozoön) with a female gamete (ovum or egg).” 122 122 Torrey, T., Morphogenesis of the Vertebrates 47 (3d ed. 1971) (cited in The Human Life Bill: Report on S. 158 Before the Subcommittee on Separation of…

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Scientific Source #121 – Report

“Fertilization is significant in that new life is created, but specifically the cardinal features of fertilization are that (1) the diploid number of chromosomes [46] is reconstituted and (2) the sex of the conceptus is designated chromosomally.” 121 121 Thomas, J., Introduction to Human Embryology 52 (1968) (cited in The Human Life Bill: Report on…

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Scientific Source #120 – Report

“A new individual is initiated by the union of two gametes—a male gamete, or spermatozoon, and a female gamete, or mature ovum.” 120 120 Brash, J., Human Embryology 2 (1956) (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…

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Scientific Source #119 – Report

“The zygote is the starting cell of the new organism”. 119 119 Luria, S., Thirty-Six Lectures in Biology 146 (1975) (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. 8).

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Scientific Source #118 – Report

“The zygote thus formed [by the moving together of two of chromosomes] represents the beginning of a new life.” 118 118 Greenhill, J. & Friedman, E., Biological Principles and Modern Practice of Obstetrics 23 (1974) (cited in The Human Life Bill: Report on S. 158 Before the Subcommittee on Separation of Powers of the Senate…

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Scientific Source #117 – Report

“Bisexual reproduction is characteristic of all vertebrates, and gametogenesis (the production of germ cells) is its first phase. The next phase, the beginning of the development of a new individual, is the fusion of two germ cells (gametes) of different nature; one, the spermatozoon from the male parent; the other, the ovum from the female…

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Scientific Source #116 – Report

“A human being originates in the union of two gametes, the ovum and the spermatozoon” 116 116 Roberts, J., An Introduction to Medical Genetics 1 (3d ed. 1963) (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…

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Scientific Source #115 – Report

“The formation, maturation and meeting of a male and female sex cell are all preliminary to their actual union into a combined cell, or zygote, which definitely marks the beginning of new individual.” 115 115 Arey, L., Developmental Anatomy 55 (7th ed. 1974) (cited in The Human Life Bill: Report on S. 158 Before the…

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Scientific Source #114 – Report

“It is the penetration of the ovum -by a spermatozoon and the resultant mingling of the nuclear material each brings to the union that constitutes the culmination of the process of fertilization and marks the initiation of the life of a new individual.” 114 114 Patten, B., Human Embryology 43 (3d ed 1968) (cited in…

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