Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) ALG1-congenital disorder of glycosylation ?
    ### Response:
    ALG1-congenital disorder of glycosylation (ALG1-CDG, also known as congenital disorder of glycosylation type Ik) is an inherited disorder with varying signs and symptoms that typically develop during infancy and can affect several body systems.  Individuals with ALG1-CDG often have intellectual disability, delayed development, and weak muscle tone (hypotonia).
    