title: Variation in sensitivity to gamma-ray-induced chromosomal aberrations during the mitotic cycle of the sea urchin egg.
mesh_terms: D000016:Abnormalities, Radiation-Induced / Q000235:genetics; D000705:Anaphase; D000818:Animals; D002869:Chromosome Aberrations; D005260:Female; D005306:Fertilization; D005720:Gamma Rays; D066298:In Vitro Techniques; D008938:Mitosis / Q000528:radiation effects*; D010063:Ovum / Q000528:radiation effects* / Q000648:ultrastructure; D011836:Radiation Tolerance; D012617:Sea Urchins; D013997:Time Factors