How one DNA test kept this family apart for a decade

<p>In Australia, DNA testing has been routinely used for decades in deciding who can and can’t enter the country.</p><p><br></p><p>The tests can be used to unify families, but they can also tear them apart.</p><p><br></p><p>The story of one couple trying to make a new home in Australia has raised new questions about how exactly the tests work, and if they discriminate against people from certain racial backgrounds.</p><p><br></p><p>Today, writer Oscar Schwartz on the faulty science that is keeping families separated.</p><p><br></p>...