Scientific Source #1 – Medical Textbook

“[E]mbryo: An organism in the earliest stage of development; is a man, from the time of conception to the end of the second month in the uterus.”1 1Harper Collins Illustrated Medical Dictionary, New York: Harper Perennial, 1993, p. 146.

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Scientific Source #2 – Article

“Fertilization’ is the process of union of two gametes (i.e., ovum and sperm) whereby the somatic chromosome number is restored and the development of a new individual is initiated.”2 2Fertilization”, Merriam-Webster.com Dictionary, Jun. 24, 2020, https://www.merriam-webster.com/ dictionary/fertilization

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Pro-Life Source #1 – Article

“Since life begins at fertilization, an individual grows and develops between the moment of fertilization throughout adulthood.”121 121Life’s Beginning – When Does Life Begin?, Live Action, https://www.liveaction.org/learn/the- problem/lifes-beginning

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Scientific Source #4 – Medical Textbook

“Zygote. This cell, formed by the union of an oocyte and a sperm, is the beginning of a new human being.”4 4Moore, K.L. & Persaud, T.V.N., Before We Are Born: Essentials of Embryology and Birth Defects, 7th ed., Philadelphia: Saunders, 2008, p. 2.

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Pro-Life Source #2 – Article

“A New, Distinct Human Organism Comes into Being at Fertilization – It is undisputed that a new, distinct human organism comes into existence during the process of fertilization”122 122Full Disclosure: Blurry or Broken Language and the Beginning of Human Life, Charlotte Lozier Institute, Nov. 1st, 2013, https://lozierinstitute.org/full-disclosure-blurry-or-broken-language-and-the-beginning-of-human-life.

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