As genetic sequencing becomes more widespread, a disconnect is emerging between what individual patients expect to get back and what scientists are willing and able to tell them. WSJ visited MIT’s Broad Institute to learn about the murky world of genomic research data. Photo: Angela Weiss/AFP via Getty Images

As genetic sequencing becomes more widespread, a disconnect is emerging between what individual patients expect to get back and what scientists are willing and able to tell them. WSJ visited MIT’s Broad Institute to learn about the murky world of genomic research data. Photo: Angela Weiss/AFP via Getty Images

As genetic sequencing becomes more widespread, a disconnect is emerging between what individual patients expect to get back and what scientists are willing and able to tell them. WSJ visited MIT’s Broad Institute to learn about the murky world of genomic research data. Photo: Angela Weiss/AFP via Getty Images

As genetic sequencing becomes more widespread, a disconnect is emerging between what individual patients expect to get back and what scientists are willing and able to tell them. WSJ visited MIT’s Broad Institute to learn about the murky world of genomic research data. Photo: Angela Weiss/AFP via Getty Images

As genetic sequencing becomes more widespread, a disconnect is emerging between what individual patients expect to get back and what scientists are willing and able to tell them. WSJ visited MIT’s Broad Institute to learn about the murky world of genomic research data. Photo: Angela Weiss/AFP via Getty Images

As genetic sequencing becomes more widespread, a disconnect is emerging between what individual patients expect to get back and what scientists are willing and able to tell them. WSJ visited MIT’s Broad Institute to learn about the murky world of genomic research data. Photo: Angela Weiss/AFP via Getty Images

As genetic sequencing becomes more widespread, a disconnect is emerging between what individual patients expect to get back and what scientists are willing and able to tell them. WSJ visited MIT’s Broad Institute to learn about the murky world of genomic research data. Photo: Angela Weiss/AFP via Getty Images

As genetic sequencing becomes more widespread, a disconnect is emerging between what individual patients expect to get back and what scientists are willing and able to tell them. WSJ visited MIT’s Broad Institute to learn about the murky world of genomic research data. Photo: Angela Weiss/AFP via Getty Images

As genetic sequencing becomes more widespread, a disconnect is emerging between what individual patients expect to get back and what scientists are willing and able to tell them. WSJ visited MIT’s Broad Institute to learn about the murky world of genomic research data. Photo: Angela Weiss/AFP via Getty Images

As genetic sequencing becomes more widespread, a disconnect is emerging between what individual patients expect to get back and what scientists are willing and able to tell them. WSJ visited MIT’s Broad Institute to learn about the murky world of genomic research data. Photo: Angela Weiss/AFP via Getty Images