Zoology: B. P. Kaufmann Cytochemical Studies of the Action of Trypsin. I. Digestion of Salivary-gland Chromosomes* by Berwind
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A Comparative Study of Certain Heterochromatic Regions in the Mitotic and Salivary Gland Chromosomes of Drosophila Melanogaster.
MARKED secondary constriction exists in a mitotic chromosome of A Drosophila melanogaster (BRIDGES 1927; HEITZ 1933). It was found by KAUFMANN (1933) to be in the left arm of the second chromosome. It is not associated with a nucleolus-forming region (KAUFMANN 1934). In prophase stages, the parts of the chromosome adjoining the constriction may be widely separated, sometimes by almost the width...
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تاریخ انتشار 2005