Searched basement level 8, and didn't find the embryo there. Unless it was obscurely placed in large central room with lots of pillars, and I missed it while escaping the killer robots.

So what level is the embryo meant to be on? And if it's an above ground floor or basement level.
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For anyone who finds this via search.

Embryo is on L3 (basement level 3) and you need security clearance 7 on I.D. card.

Have to use Northwest elevator to access level, as the Southeast elevator is sealed off.
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I'm glad you managed to find it. I hadn't played the game since it came out so couldn't remember.
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