Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Amish lethal microcephaly ?
    ### Response:
    What are the signs and symptoms of Amish lethal microcephaly? The Human Phenotype Ontology provides the following list of signs and symptoms for Amish lethal microcephaly. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    