The domesticated dog that some people keep as pets is incredibly similar to young (but not adult) wolves, which are the wild ancestors of modern dogs. This similarity is BEST explained as an example of:

The correct answer is - neoteny.

Explanation:

Neoteny is the process in which an individual organism does not all its characteristics of juvenile form even after reaching to the adult. The best example of this process is to bred the wolves to retention of the physical attributes and playful characters of the young wolves.

The domesticated dogs are decedent from the wolves by the process of the neoteny. It is influenced by the humans to retain less agreesive traits and playful nature of young wolves.

Thus, the correct answer is - neoteny.

"do a testcross with a homozygous recessive plant."

my teacher would say no s