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GENETICS OF NATURAL POPULATIONS. XXIX. IS THE GENETIC LOAD IN DROSOPHILA PSEUDOOBSCURA A MUTATIONAL OR A BALANCED LOAD?

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Figure

FIGURE 1.-Viability of the wild type homozygotes (as measured in percentages in the main certain chromosomes
FIGURE 2.-Correlation between the frequency ratios of the homozygotes for different wild second chromosomes and the frequency ratios of the Bare heterozygotes for the same chromo- somes
FIGURE 3.-Correlation between the frequency ratios of the homozygotes for different wild third chromosomes and the frequency ratios of the Blade-Scute heterozygotes for the same chromosomes
TABLE 2 Mean viabilities of heterozygotes carrying a chromosome which is lethal or semilethal when homozygous, compared with heterozygotes for chromosomes yielding
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