Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mutation sites in the lacZ α-peptide coding (lacZα) region. Examples of DNA sequences in the lacZα region of the white colonies are provided, in which insertion (Clones 1, 6, 7, 9 and 10) deletion (Clones 2–4, 8) and nucleotide substitution (Clones 2, 4, 5, 7, 8 and 10) mutation types are involved. The nucleotides at the mutation sites are labeled in red.
