By observing genetics in our own families, we can make predictions about our future; from diabetes to dementia, where our ancestors came from to what our future children might look like.
But what if you were the only branch on your genetic family tree?
At eleven days old Sarah was adopted and for the last 28 years she has never known anything about her biological parents, her medical history or ancestry.
Sarah has decided to investigate her own DNA by using a direct-to-consumer genetic testing kit. What will her results reveal about her past? Are there genetic concerns for her future? Can new technology help answer the age old question ‘Who am I?’