New studies of the genomes of almost 200 strains of Drosophila flies show natural selection and a “return to Africa” of the tiny flies, which likely migrated with ancestral humans tens of thousands of years ago.
New studies of the genomes of almost 200 strains of Drosophila flies show natural selection and a “return to Africa” of the tiny flies, which likely migrated with ancestral humans tens of thousands of years ago.