Below is an instruction from Human. Write a response.
    ### Instruction:
    How many people are affected by methylmalonic acidemia with homocystinuria ?
    ### Response:
    The most common form of the condition, called methylmalonic acidemia with homocystinuria, cblC type, is estimated to affect 1 in 200,000 newborns worldwide. Studies indicate that this form of the condition may be even more common in particular populations. These studies estimate the condition occurs in 1 in 100,000 people in New York and 1 in 60,000 people in California.
    