Five generations back, you have learned that your great great grandmother had a rare autosomal recessive disease that is manifested by the strange condition in which the eating of celery leads to immediate, violent vomiting (chronic susceptibility; CCS). None of the individuals leading to you have had CCS, but it is not known if any of them were carriers. Draw a pedigree and calculate the probability that you are a carrier of the recessive CCS allele.
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