HEREDITY OF BODY COLOR IN DROSOPHILA T. H. MORGAN, 1912 Journal of Experimental Zoology PLATE 1 EXPLANATION OF FIGURES 1 2 A black female. 3 A brown female. 4 A yellow female. Normal or gray female (the outer marginal vein is slightly exaggerated in the figure). The contrast between the black, yellow, and brown flies is well brought out in the figures
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