Cherubism is a rare autosomal dominant disease of the jaw. You have identified a family in which cherubism is segregating, as well as the mutation causing the disease. Through DNA testing you determine that 17 members of the family carry the mutation, but only 6 of them display cherubism. What is the penetrance of the mutation in this family?

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Phosgene is a chemical agent that is formed by decomposition of chlorinated hydrocarbon solvents by ultraviolet radiation. a. false b. true

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.