The length of secondary chromosomal constrictions in normal individuals and in a nucleolar mutant of Xenopus laevis.
D000818:Animals; D001001:Anura; D002455:Cell Division; D002460:Cell Line; D002466:Cell Nucleolus / Q000502:physiology; D002869:Chromosome Aberrations; D002875:Chromosomes; D002999:Clone Cells; D046508:Culture Techniques; D003582:Cytogenetics; D004247:DNA; D005260:Female; D006579:Heterozygote; D008297:Male; D008938:Mitosis; D008954:Models, Biological; D009154:Mutation; D013154:Spleen
D004247:DNA