Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Complete androgen insensitivity syndrome ?
    ### Response:
    Complete androgen insensitivity syndrome is a condition that affects sexual development before birth and during puberty. People with this condition are genetically male (one X and one Y chromosome) but do not respond to male hormones at all. As a result, they generally have normal female external genitalia and female breasts.
    