Question

what is the region of axis below the cotyledon called?

Answer 1

Hey Buddy!! here is ur answer. ....
The region of the embryo axis below the point of attachment of cotyledons is called the hypocotyle. The tip of hypocotyle is called radicle. 
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Answer 2

hi there✋✋✋✋

The hypocotyl is the embryonic axis below the cotyledons and terminates in the embryonic root known as radicle.

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