Chapter 32. Moral Status

  1. R. G. Frey and
  2. Christopher Heath Wellman
  1. Mary Anne Warren

Published Online: 26 NOV 2007

DOI: 10.1002/9780470996621.ch32

A Companion to Applied Ethics

A Companion to Applied Ethics

How to Cite

Warren, M. A. (2005) Moral Status, in A Companion to Applied Ethics (eds R. G. Frey and C. Heath Wellman), Blackwell Publishing Ltd, Oxford, UK. doi: 10.1002/9780470996621.ch32

Publication History

  1. Published Online: 26 NOV 2007
  2. Published Print: 1 JAN 2005

ISBN Information

Print ISBN: 9781557865946

Online ISBN: 9780470996621



  • moral status;
  • moral rights;
  • moral obligations;
  • moral agency theory;
  • sentience theory


This chapter contains sections titled:

  • What is Moral Status?

  • The Moral Agency Theory

  • The Genetic Humanity Theory

  • The Sentience Theory

  • The Organic Life Theory

  • Two Relationship-based Theories

  • Combining these Criteria

  • Principles of Moral Status

  • Human Zygotes, Embryos, and Fetuses

  • Are All Animals Equal?

  • Machines and Artificial Life-forms

  • Conclusion