The mistake is in making human DNA the metric for personhood. This smacks of human arrogance and exceptionalism; we are not the only persons on the planet -- far from.
Instead, what's needed in a situation like this is a list of personhood criteria so that an agent's level of personhood can be assessed. This will eventually have to be done for a number of reasons, whether it be to broaden the sphere of rights to include nonhuman animals, or to recognize personhood characteristics in artificial entities and technologically enhanced humans.
I've written on this topic in the past:
Spanish socialists want to give apes human rights The myth of our exalted human place
Dear George:
ReplyDeleteI just saw this interesting article:
http://www.nytimes.com/2007/04/17/science/17chimp.html?ex=1177560000&en=36808118ebdf36b6&ei=5070&emc=eta1
I hope you find it useful.
Guido.