Working with animal chromosomes / Herbert C. Macgregor and Jennifer M. Varley ; chapter 7 contributed by Aimee Bakken, R. Stephen Hill.

  • Macgregor, Herbert C.
Date:
[1983], ©1983
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Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

Credit: Working with animal chromosomes / Herbert C. Macgregor and Jennifer M. Varley ; chapter 7 contributed by Aimee Bakken, R. Stephen Hill. Source: Wellcome Collection.

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    1 Chromosome size, number, and shape Chromosome sets from the crested newt {Trituras cristatus) (A), man (B), and Drosophila melanogaster (C), each photographed and repro¬ duced at the same magnification. The two tiny fourth chromosomes of Drosophila melanogaster can be seen as a pair of dots just to the left of centre in the space between the three pairs of larger chromosomes. [Reproduced with the kind permission of the Royal Society from Mac- gregor, H. C., Phil.Trans.Roy.Soc.Lond., B283, 309-318 (1978)] The study of chromosomes nearly always involves manipulation and micros¬ copy and measurement. In this sense it is an immensely satisfying occupation