Role of the Y-Chromosome in the Determination of Cell-size in D. melanogaster

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I have already pointed out1 that in wild stocks of D. melanogaster, Gaiano (Parma), Luino (Varese), Civate (Como), the unicellular hairs of the upper wing surface, counted in a standard surface of 298 µ2 for each wing, show frequency differences. Furthermore, there are sex differences of different kinds in the three stocks, being highest in Gaiano, intermediate in Civate and lowest in Luino. This shows the possibility of an action of the Y-chromosome, already proved by Mather2 for the chætæ also in D. melanogaster.

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  1. 1

    Barigozzi, C., Rend. Ist. Lombardo Sci. e Lett., Cl. Sci., 79 (1945–1946).

  2. 2

    Mather, K., Proc. Boy. Soc., B, 132, 308 (1944).

  3. 3

    Casperason, T., Naturwiss., 29, 33 (1941).

  4. 4

    These results were partially communicated to the Congress for Experimental cytology, Stockholm, July 1947.

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BARIGOZZI, C. Role of the Y-Chromosome in the Determination of Cell-size in D. melanogaster. Nature 162, 30–31 (1948) doi:10.1038/162030b0

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