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Table 2 Frequency of the musculus Y chromosome, hybrid indices (taken as frequencies of musculusalleles averaged over eight non-Y loci) in males and females, and the census sex ratio according to category of sampling locality.

From: Genetic conflict outweighs heterogametic incompatibility in the mouse hybrid zone?

 

DYD

DYM

M

N (Localities)

20

40

55

Y total

187

448

417

Y musculus

0

369

412

Freq. Y

0

0.824

0.99

Census total

509

1062

1092

Males total

226

545

491

Alleles musculus (Total)

68(2479)

1343(6682)

5124(5551)

Freq. musculus

0.03

0.20

0.92

Females total

283

517

601

Alleles musculus (Total)

54(2858)

1366(6840)

7059(7546)

Freq. musculus

0.02

0.20

0.94

Proportion of males

0.44

0.51

0.45

Pr(Bin)

0.0065

0.2037

0.0005

  1. Pr(Bin) stands for the probability that under the binomial distribution we observe a similar or more extreme deviation from 1:1 by chance alone.