Jason and Jennifer have 6-year-old identical twins. One twin was recently diagnosed with a heart abnormality. Jason and Jennifer want to know what the chances are of the second twin developing the same disorder. They are asking the doctor about the of the condition.

“obamacare”: included a provision for government-run health insurance called “the public option.” was bitterly opposed by congressional republicans because most favored a “single-payer” plan. survived two challenges to its constitutionality. was partially repealed in 2013 in order to avert a government shutdown. led to the expansion of medicaid in republican controlled states.