Inter- and Intraspecific Variation in Drosophila Genes with Sex-Biased Expression
Gene expression variation within a population, between populations, and between species. Shown are the percentages of male-biased (M), unbiased (U), and female-biased (F) genes that show significant expression variation within a Zimbabwe population of D. melanogaster, between a Zimbabwe and a European population of D. melanogaster and between D. melanogaster and D. simulans. Expression variation was measured separately in males (a) and females (b). Data are from Hutter et al. , Müller et al. , and Ranz et al. . Asterisks indicate significant differences from unbiased genes within the same comparison, as determined by Fisher’s exact test. *, **.
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