In microbiology the roles of mutation and selection in evolution are coming to be better understood through the use of bacterial cultures… — Edward Lawrie Tatum Biology Copy Share Image
As has repeatedly been stated, the underlying hypothesis, which in a number of cases has been supported by direct experimental evidence, is… — Edward Lawrie Tatum Cases Copy Share Image
That the primary effect of gene mutation may be as simple as the substitution of a single amino acid by another and… — Edward Lawrie Tatum Acid Copy Share Image
