ExplanationA.True. At the level of

ExplanationA.True. At the level of the organism, this type of colon cancer be inherited in dominant fashion but the mutant tumor-suppressor allele is recessive to the wdd-type allele. This is because all somatic cells of the patient carry one recessivedefective copy of the gene, the strong likeli hood that in at least one of thehundreds of thousands of colon cells heterozygous for the tumor-suppressor gene,a subsequent geneti cevent will disable the single remaining functi onal tumor-suppressor allele, resulting in a mutant cell with no functi onal tumor-suppressorgene. This one cell then multi plies out of cont rol , event ually generating a clone of cancerous cells.