Cleft lip results from the failure of which embryonic processes to fuse properly?

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Joining of the lateral nasal process with the maxillary processMerging of the median nasal process with the maxillary processFusion between the median and lateral nasal processesNone of these

Explanation

Cleft lip arises when the median nasal process does not successfully fuse with the maxillary process during facial development. The other processes listed are not responsible for this condition.