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can someone label the yellow part at the tip? this a Arabidopsis thaliana seed

can someone label the yellow part at the tip? this a Arabidopsis thaliana seed

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The yellow part which is marked as A is the cotyledons of the seed of Arabidopsis thaliana. The visible yellow coating is the cotyledon without the seed coat(C) which detaches after germination. When the seed germinates, it first gives rise to the radicle (marked as B) which is a white thread-like structure. This radicle later develops into the root of the plant. After radicle, plumule arises which gives rise to the stem.

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