People of African ancestry are poorly represented in genetic studies. A new effort would change that

FILE - This undated image made available by the ɫtv Human Genome Research Institute shows the output from a DNA sequencer. Scientists are setting out to collect genetic material from 500,000 people of African ancestry to create what they believe will be the world’s largest database of genomic information from the population. (NHGRI via AP, File)

Scientists are setting out to collect genetic material from 500,000 people of African ancestry to create what they believe will be the world’s largest database of genomic information from the population.

The hope is to build a new “reference genome” — a template to compare to full sets of DNA from individuals — and better understand genetic variants that affect Black people. It could eventually translate into new medicines and diagnostic tests — and help reduce health disparities.

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