[Welp Ben, you ready for a scientific explanation? She writes back.]
The chemicals used to affect the change at first were so strong and toxic that they stuck to the DNA.
[How's that for scientific?]
Other options:
no subject
[Welp Ben, you ready for a scientific explanation? She writes back.]
The chemicals used to affect the change at first were so strong and toxic that they stuck to the DNA.
[How's that for scientific?]