X-ray breakage of lily chromosomes at first meiotic metaphase.
D002455:Cell Division / Q000528:radiation effects*; D002875:Chromosomes / Q000528:radiation effects*; D027762:Lilium; D008677:Metaphase; D014965:X-Rays
CELL DIVISION/effect of radiations on; CHROMOSOMES/effect of radiations on; ROENTGEN RAYS/effects