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.
Examples of chromosomal and nuclear alterations observed in the meristematic cells of Lactuca sativa (lettuce) exposed to the synthesized triazoles 4a–4h. (A) Condensed nuclei, (B) sticky chromosomes and micronuclei (arrow), (C) micronuclei (arrow), (D) c-metaphases, (E) non-oriented chromosomes in metaphase (arrow).
