In England, a man who is upset about the amount of dog feces on his lawn supposedly collected hair samples from neighborhood dogs and compared their DNA types with that of the feces, thereby identifying the offending dog (and the negligent owner). Is this possible?

It is very possible.

Explanation:

Collecting hair samples from neighborhood dogs who dropped feces on the lawn who to their DNA is very possible. Although a piece of a dog hair contains very minimal quantity of DNA

DNA which in full means deoxyribonucleic acid is the smallest particle in a chemical compound which contains the genetic code of organisms.This involved animals, plants an so on.

answer; /// i believe that the correct answer is(cognitive revolution);