Arrange the sequence of steps in the development of heart failure. 1. oxygen delivery is reduced and heart failure occurs 2. the heart pumps blood less efficiently 3. fat deposits build up along artery walls 4. blood pressure increases and cardiac muscles thicken 5. blockage in arteries obstructs blood flow, and can cause heart attacks

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.