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Fertilization is the fusing of the gametes; a sperm cell and an ovum (egg cell) fuse to form a single-cell zygote.This is the beginning of the diploid phase of the human life cycle after two genetically unique haploid cells created via meiosis and chromosomal translocation combine their DNA and begin to develop into a multi-cellular organism.
Aristotelian Soul. Among Greek scholars, Hippocrates (c.460 – c.370 BC) believed that the embryo was the product of male semen and a female factor. But Aristotle (384 – 322 BC) held that only male semen gave rise to an embryo, while the female only provided a place for the embryo to develop, [4] (a concept he acquired from the preformationist Pythagoras).
Creationism teaches that God creates a "fresh" soul within each human embryo at or some time shortly after conception. Note: This is not to be confused with creationism as a view of the origins of life and the universe. Traducianism, by contrast, teaches that the soul is inherited from the individual's parents, along with his or her biological ...
Pre-existence, preexistence, beforelife, or premortal existence, is the belief that each individual human soul existed before mortal conception, and at some point before birth enters or is placed into the body.
As the new Encyclopædia Britannica points out: “The early Christian philosophers adopted the Greek concept of the soul’s immortality and thought of the soul as being created by God and infused into the body at conception.” [31] Inherent immortality of the soul was accepted among western and eastern theologians throughout the Middle Ages ...
The bill would change the definition of "person" under Alaska law to include "an entity that has the moral right of self determination" and define the word "life" as meaning "the property or ...
The viewpoint that pregnancy, or at least morally significant human life, begins at the exact moment that sperm and egg interact is highly controversial, although it is commonly held by groups such as the Roman Catholic Church and many traditionally religious individuals, and other alternate viewpoints are put forth.
New research suggests that 74 is the new 71. Our perception of when “old age” begins is shifting, with most people believing this phase of life begins later than they used to, according to a ...