Question

Is this a run-on sentence?

Right-handedness is controlled by genetics, interestingly enough, the same genes are
also responsible for the brain becoming more specialized at certain tasks.

Answer 1

Yes, it is a run-on sentence.

Step-by-step explanation:

It should be split like so,

Right-handedness is controlled by genetics. Interestingly enough, the same genes are responsible for the brain becoming more specialized at certain tasks.

Answer 2

Yes, it is a run-on sentence.

Step-by-step explanation:

It should be split like so,

Right-handedness is controlled by genetics. Interestingly enough, the same genes are responsible for the brain becoming more specialized at certain tasks.