[Competition between cleavage nuclei in Drosophila].
Distribution of tissues of XX and XO genotype in gynandromorphs resulting from elimination of unstable ring X-chromosome during initial cleavage divisions was studied. Predominantly XX-nuclei proved to give rise to cell nuclei in tissues of cranial and caudal regions of mosaics. XX nuclei are proposed to be more migrationally active than XO nuclei.
Ivanov
A I
AI
D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure*; D002970:Cleavage Stage, Ovum / Q000648:ultrastructure*; D003433:Crosses, Genetic; D003600:Cytosol / Q000648:ultrastructure; D004331:Drosophila melanogaster; D005260:Female; D008297:Male; D009030:Mosaicism / Q000235:genetics; D014960:X Chromosome
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