The best description of the result of an organism reproducing through binary fission is:

Two genetically identical daughter cells.

Here's why:

* Binary fission is a form of asexual reproduction. This means that a single parent cell divides into two identical daughter cells.

* Genetically identical implies that the offspring have the exact same DNA as the parent cell. There's no mixing of genetic material like in sexual reproduction.

Let me know if you'd like more details on binary fission!