Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Dextrocardia with situs inversus ?
    ### Response:
    What causes dextrocardia with situs inversus? The exact cause of dextrocardia with situs inversus is not known, but the condition results from the abnormal positioning of the internal organs during fetal development. More than 60 known genes are important for the proper positioning and patterning of the organs in the body.
    