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Detail how the dorsal: ventral axis is established in amphibia, from the
importance of the sperm entry point to the gene regulation in the dorsal area of the entryo

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kyleighcartee

Answer:

Explanation: Amphibian axis formation is an example of regulative development. The most important clue came from the fate map of this area of the egg, for it. Therefore, the specification of the dorsal-ventral axis begins at the moment of sperm entry.  The Siamois protein is critical for the expression of organizer-specific genes

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