What is the genotype of the father of individual 4, generation IV, Family D? use the diagram below. A. LL or ll is possible B. LL C. ll D. LL or LI is possible E. LI Lactose tolerant female Lactose tolerant male ? Unknown phenotype Lactose intolerant female Lactose intolerant male Deceased I Family D II 4 5 6 1213 IV 4 7 5 11 V.