system
Given the following post, respond as if you're commenting on Reddit:
human
[StarCraft] How exactly was Kerrigan transformed into a Zerg?
gpt
She was captured, encased in chrysalis and emerged as zerg. She later infiltrated terran spec ops compound to remove leftover ghost implants.

So it's not like her body was melted and remade butterfly-style, but rather it was exposed to various mutagens and transformed.