Accessory chromosome

Historical Examples

In these latter stages the nucleolus has entirely faded out and nothing suggesting an accessory chromosome is present.
Studies in Spermatogenesis (Part 1 of 2) Nettie Maria Stevens

Thionin was found to be a very useful stain for distinguishing between the accessory chromosome and an ordinary nucleolus.
Studies in Spermatogenesis (Part 1 of 2) Nettie Maria Stevens

In Blattella we have a typical “accessory chromosome,” according to McClung.
Studies in Spermatogenesis (Part 1 of 2) Nettie Maria Stevens

Of the insects considered in this paper Aphis and Termopsis have no “accessory chromosome” or “heterochromosome” of any kind.
Studies in Spermatogenesis (Part 1 of 2) Nettie Maria Stevens

A brief account of a chromatin element resembling the accessory chromosome in Sagitta has been added for comparison.
Studies in Spermatogenesis (Part 1 of 2) Nettie Maria Stevens

The accessory chromosome has been now observed in most of the great divisions of insects, except, as it happens, Lepidoptera.
Evolution in Modern Thought Ernst Haeckel

Montgomery afterward showed that Henkings nucleolus was an accessory chromosome.
The Organism as a Whole Jacques Loeb

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