Human Conception and the Status of Single–Celled Human Zygote from the Perspective of Catholic Bioethics

Józef Wróbel



Abstract

In the discussions on the status of human zygote, the issue of its animation appears only occasionally. Current teaching of the Magisterium of the Church on the beginning of human life emphasises the fact that life of a new human being begins with the conception. The moment when single 2n diploid cell called zygote comes into being is very often considered as a start of a new human life. According to embryology, this takes place 12 to 24 hours after fertilization. The discoveries in epigenetics allow to claim the human character of a zygote is then defined. From the  moment of conception, that is when the head of spermatozoon combines with oocyte cytoplasm and two pronuclei come into existence (the nuclei of  both  male  and  female  gametes),  the  processes  related to a new human life begin.

Keywords:

human conception, zygote status, epigenetics



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Roczniki Teologiczne · ISSN 2353-7272 | eISSN 2543-5973 · DOI: 10.18290/rt
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