Quantitative Genetics of Food Intake in Drosophila melanogaster.

Indeed, we find highly significant heterogeneity of environmental variance among the DGRP lines ( Table 2 ), suggesting heritability of this trait.

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None of the correlations between food intake and body weight or aspects of metabolism [ 77 ] approached significance, suggesting that consumption is independent of size.

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We observed nominally significant and modest correlations between food intake and several sleep traits and lifespan in both sexes [ 67 , 73 ]; resistance to oxidative stress induced by paraquat [ 74 ] and menadione sodium bisulfite (MSB) in females [ 75 ]; and several nutritional index values in males [ 76 ] ( S2 Table ).

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