Similar Levels of X-linked and Autosomal Nucleotide Variation in African and non-African populations of Drosophila melanogaster

Table 2 Estimates of Ratios of Diversity

Comparison	Data Included	Ratio^a of θ_s	Ratio^a of θ_s/Divergence^b
X/Autosome	African and American populations	0.99 (0.82–1.17)	1.02 (0.79–1.32)
X/Autosome	African strains	0.99 (0.81–1.20)	1.02 (0.77–1.32)
X/Autosome	American strains	0.92 (0.68–1.21)	0.95 (0.64–1.31)
African/American	X-linked and autosomal loci	1.95 (1.65–2.32)	1.95 (1.60–2.36)
African/American	Autosomal loci	1.90 (1.46–2.39)	1.90 (1.42–2.51)
African/American	X-linked loci	2.04 (1.58–2.63)	2.06 (1.46–2.79)

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