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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def from_json(cls, data, json_schema_class=None):
 """ JSON deserialization method that retrieves a genome instance from its json representation If specific json schema is provided, it is utilized, and if not, a class specific is used """

        schema = cls.json_schema if json_schema_class is None else json_schema_class()
        return schema.load(data)