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Table 2 Intraspecific polymorphism in D. melanogaster and D. ananassae

From: Molecular evolution of sex-biased genes in the Drosophila ananassaesubgroup

Bias

Genes

Ï€ s a

Ï€ n b

Ï€ n /Ï€ s

θ s c

θ n d

 

D. melanogaster (Zimbabwe, Africa)

Male

17

0.0215

0.0015

0.0680

0.0234

0.0018

Female

16

0.0127

0.0017

0.1340

0.0135

0.0021

Unbiased

10

0.0149

0.0017

0.1115

0.0172

0.0020

All autosomal

29

0.0165

0.0013

0.0813

0.0175

0.0017

All X-linked

14

0.0176

0.0021

0.1198

0.0204

0.0025

All

43

0.0168

0.0016

0.0942

0.0185

0.0019

 

D. ananassae (Bangkok, Thailand)

Male

17

0.0197

0.0014

0.0723

0.0208

0.0017

Female

12

0.0234

0.0015

0.0628

0.0235

0.0018

Unbiased

14

0.0240

0.0017

0.0702

0.0249

0.0020

All autosomal

29

0.0236

0.0014

0.0590

0.0241

0.0017

All X-linked

14

0.0191

0.0018

0.0927

0.0203

0.0020

All

43

0.0221

0.0015

0.0687

0.0228

0.0018

  1. a The average number of nucleotide differences per synonymous site.
  2. b The average number of nucleotide differences per nonsynonymous site.
  3. c Mean nucleotide diversity (per site) at synonymous sites.
  4. d Mean nucleotide diversity (per site) at nonsynonymous sites.