Biparental origin of the chromosome set is required for a developing human being

Erik Hauzman, Zsolt Csapó, Zoltán Papp

Research output: Contribution to journalArticle


Conception sometimes results in products that are not capable of developing into an embryo and fetus. This group, designated with the term gestational trophoblastic neoplasia, comprises the benign hydatidiform mole, the invasive mole (chorioadenoma destruens) and the frankly malignant variety, choriocarcinoma. Another type of atypical oocyte activation occurs in parthenogenesis. In the human, two types of tumors, dermoid cysts and teratomas, can result from this process. The authors of this paper aim to elucidate the mechanisms how these abnormal growths ensue and provide explanations why they cannot be regarded as human individuals or human beings. They conclude that it is not the exact number of chromosomes that is required for a form of human life to become a human being but rather the biparental origin of the chromosome set.

Original languageEnglish
Pages (from-to)317-321
Number of pages5
JournalPeriodicum Biologorum
Issue number3
Publication statusPublished - Sep 1 2009


  • Beginning of human life
  • Ethics
  • Fetus as a patient
  • Individual conscience
  • Professional conscience
  • Religion

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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