please help thanks Pedigree of a Family with Tay-Sachs Disease I II III 36. Pedigree information regarding the incidence of Tay-Sachs within a family is depicted above. The row below that indicates the genotypes of individuals II 1 , Il 2 , and III 1 is? A. B. C. D. 37. If individuals II-1 and II-2 have another child, what is the probability they will have a child affected by Tay-Sachs? A. 0.25 B. 0.50 C. 1.00 D. 0.00.