<!DOCTYPE html><HTML lang="en"> <head><meta charset="utf-8"> <title>Streiffer (Robert) - Human/Non-Human Chimeras (Theo Todman's Book Collection - Paper Abstracts) </title> <link href="../../TheosStyle.css" rel="stylesheet" type="text/css"><link rel="shortcut icon" href="../../TT_ICO.png" /></head> <BODY> <CENTER> <div id="header"><HR><h1>Theo Todman's Web Page - Paper Abstracts</h1><HR></div><A name="Top"></A> <TABLE class = "Bridge" WIDTH=950> <tr><th><A HREF = "../../PaperSummaries/PaperSummary_23/PaperSummary_23313.htm">Human/Non-Human Chimeras</A></th></tr> <tr><th><A HREF = "../../Authors/S/Author_Streiffer (Robert).htm">Streiffer (Robert)</a></th></tr> <tr><th>Source: Stanford Encyclopaedia of Philosophy, 2009-14</th></tr> <tr><th>Paper - Abstract</th></tr> </TABLE> </CENTER> <P><CENTER><TABLE class = "Bridge" WIDTH=600><tr><td><A HREF = "../../PaperSummaries/PaperSummary_23/PaperSummary_23313.htm">Paper Summary</A></td><td><A HREF = "../../PaperSummaries/PaperSummary_23/PapersToNotes_23313.htm">Notes Citing this Paper</A></td><td><A HREF="#ColourConventions">Text Colour-Conventions</a></td></tr></TABLE></CENTER></P> <hr><P><FONT COLOR = "0000FF"><U>Author s Abstract</U><FONT COLOR = "800080"><ol type="1"><li>A chimera is an individual composed of cells with different <a name="1"></a><A HREF="../../Notes/Notes_12/Notes_1243.htm">embryonic</A><SUP>1</SUP> origins. The successful isolation of five human <a name="2"></a><A HREF="../../Notes/Notes_12/Notes_1243.htm">embryonic</A><SUP>2</SUP> stem cell (hESC) lines in 1998 increased scientists' ability to create human/nonhuman chimeras and prompted extensive bioethics discussion, resulting in what has been dubbed  the other stem cell debate (Shreeve 2005). </li><li>The debate about chimeras has focused on five main arguments. <ol type="i"><li>The Unnaturalness Argument explores the ethics of violating natural species boundaries. </li><li>The Moral Confusion Argument alleges that the existence of entities that cannot be definitively classified as either human or non-human will cause moral confusion that will undermine valuable social and cultural practices. </li><li>The Borderline-Personhood Argument focuses on great apes and concludes that their borderline-personhood confers a high enough degree of moral status to make most, if not all, chimeric research on them impermissible. </li><li>The Human Dignity Argument claims that it is an affront to human dignity to give an individual  trapped in the body of a non-human animal the capacities associated with human dignity. </li><li>Finally, the Moral Status Framework maintains that research in which a nonhuman animal's moral status is enhanced to that of a normal adult human is impermissible unless reasonable assurances are in place that its new moral status will be respected, which is unlikely given the motivations for chimeric research and the oversight likely to be provided. </ol></li><li>These arguments provide different rationales for evaluating chimeric research and consequently differ in their implications both for the range of chimeric research that is unethical as well as the way chimeric research should be addressed in public policy. </li></ol> </FONT><BR><U>Contents</U><FONT COLOR = "800080"><ol type="1"><li>Introduction </li><li>The Unnaturalness Argument</li><li>The Moral Confusion Argument </li><li>The Borderline-Personhood Argument </li><li>The Human Dignity Argument </li><li>The Moral Status Framework </li><li>Conclusion </li></ol> </FONT><hr><FONT COLOR = "0000FF"><B>Comment: </B><BR><BR>First published Thu May 21, 2009; substantive revision Mon Jul 21, 2014<BR><FONT COLOR = "0000FF"><HR></P><a name="ColourConventions"></a><p><b>Text Colour Conventions (see <A HREF="../../Notes/Notes_10/Notes_1025.htm">disclaimer</a>)</b></p><OL TYPE="1"><LI><FONT COLOR = "0000FF">Blue</FONT>: Text by me; &copy; Theo Todman, 2018</li><LI><FONT COLOR = "800080">Mauve</FONT>: Text by correspondent(s) or other author(s); &copy; the author(s)</li></OL> <BR><HR><BR><CENTER> <TABLE class = "Bridge" WIDTH=950> <TR><TD WIDTH="30%">&copy; Theo Todman, June 2007 - August 2018.</TD> <TD WIDTH="40%">Please address any comments on this page to <A HREF="mailto:theo@theotodman.com">theo@theotodman.com</A>.</TD> <TD WIDTH="30%">File output: <time datetime="2018-08-02T10:05" pubdate>02/08/2018 10:05:48</time> <br><A HREF="../../Notes/Notes_10/Notes_1010.htm">Website Maintenance Dashboard</A></TD></TR> <TD WIDTH="30%"><A HREF="#Top">Return to Top of this Page</A></TD> <TD WIDTH="40%"><A HREF="../../Notes/Notes_11/Notes_1140.htm">Return to Theo Todman's Philosophy Page</A></TD> <TD WIDTH="30%"><A HREF="../../index.htm">Return to Theo Todman's Home Page</A></TD> </TR></TABLE></CENTER><HR> </BODY> </HTML>