Genetics are insane..

The post likely performed well due to the relatable and surprising "twins" or "look-alike" theme, combined with the unexpected reveal of a dog as an "identical son." This element of surprise and humor often drives engagement on social media.

This slideshow presents a series of photos comparing two individuals, highlighting their striking resemblance and suggesting they are related. The images progress from showing them together, to introducing one as a sister, then showing her younger self, another picture of her, and finally introducing her "identical son" who is a dog.