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Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
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Updated: Nov 2, 2025

Stable Isotope In-Vivo Labeling for Mass-Spectrometry Identification of Paternal Metabolites Transferred from Sperm to Oocyte During Fertilization
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Genetic parenthood and hard cases.

William Simkulet1

  • 1School of Humanities, Park University, Parkville, MO, USA.

Bioethics
|June 15, 2021
PubMed
Summary
This summary is machine-generated.

Genetic parenthood theory is too narrow, failing to include cases like cloning and hybrids. An updated theory better reflects common sense and reproductive rights.

Keywords:
assisted reproductionchimerismcloninggenetic parenthoodin vitro fertilizationmitochondrial replacement techniquesparthenogenesistwinning

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Area of Science:

  • Bioethics
  • Genetics
  • Reproductive Technology

Background:

  • A recent theory posits that a human child can have only two genetic human parents.
  • This theory has implications for understanding genetic lineage and reproductive rights.

Purpose of the Study:

  • To critique the narrowness of the proposed two-parent genetic theory.
  • To propose an alternative theory of genetic parenthood.

Main Methods:

  • Philosophical argumentation
  • Analysis of existing and hypothetical reproductive scenarios (hybrids, cloning, chimerism, twinning, parthenogenesis, mitochondrial replacement techniques).

Main Results:

  • The proposed two-parent theory is arbitrarily narrow.
  • Existing reproductive technologies and scenarios challenge the two-parent model.
  • An alternative theory can align with common intuitions and reproductive autonomy.

Conclusions:

  • The definition of genetic parenthood needs to be more inclusive.
  • A revised theory is necessary to accommodate complex reproductive realities.
  • This inclusive approach supports the right to procreative autonomy.