Data from: Sex-chromosome differentiation and ‘sex races’ in the common frog (Rana temporaria) ...
Sex-chromosome differentiation was recently shown to vary among common frog populations in Fennoscandia, suggesting a trend of increased differentiation with latitude. By rearing families from two contrasted populations (respectively, from northern and southern Sweden), we show this disparity to ste...
Main Authors: | , , , |
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Format: | Dataset |
Language: | English |
Published: |
Dryad
2015
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Subjects: | |
Online Access: | https://dx.doi.org/10.5061/dryad.4j169 https://datadryad.org/stash/dataset/doi:10.5061/dryad.4j169 |
Summary: | Sex-chromosome differentiation was recently shown to vary among common frog populations in Fennoscandia, suggesting a trend of increased differentiation with latitude. By rearing families from two contrasted populations (respectively, from northern and southern Sweden), we show this disparity to stem from differences in sex-determination mechanisms rather than in XY-recombination patterns. Offspring from the northern population display equal sex ratios at metamorphosis, with phenotypic sexes that correlate strongly with paternal LG2 haplotypes (the sex chromosome); accordingly, Y haplotypes are markedly differentiated, with male-specific alleles and depressed diversity testifying to their smaller effective population size. In the southern population, by contrast, a majority of juveniles present ovaries at metamorphosis; only later in development do sex ratios return to equilibrium. Even at these later stages, phenotypic sexes correlate only mildly with paternal LG2 haplotypes; accordingly, there are no ... : Table S2 - raw LG2-15 genotypes dryadRaw genotypic data for the 62 adults and 594 offspring from the two Swedish populations of Ammarnäs and Tvedöra. ... |
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