By that interpretation, he misspoke when he said the DNA is sensitive. What he should have said is that the _body_ is sensitive _to_ the DNA. That was my point.

By that interpretation, he misspoke when he said the DNA is sensitive. What he should have said is that the _body_ is sensitive _to_ the DNA. That was my point. And I only point it out because, given he's an expert on the topic, it's always possible that he actually meant to say it this way and that I, being a layperson, missed something that would explain it.