Botanists - What is this seed structure?

[Scientific]

Hey Cannabotonists -- Can one of you please tell me what this weird-looking white structure is on my recently popped-open seedling? I though it was a broken cotyledon, but 12 hours the seedling looks perfect and the white thing has dried up and sloughed off. Can someone who knows seed anatomy tell me what this weird white thing is? I'm curious. Thanks for your help! (BTW, the purplish cotyledon at this age seems to be normal for this strain, Dwarf Low Flyer.)

WTF?

Nine hours later

Now

 

[illizm775]

Re: Botanists: What is this seed structure?

Part of the embryo...genetic splicing gone to fast


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[chankylanky]

I had to gently rub it off and then everything opened up nicely. .


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[Scientific]

Ya gotta admit that's kind of a scary birth photo.