Publication: Sexual growth dimorphism affects birth sex ratio in house mice.
Sexual growth dimorphism affects birth sex ratio in house mice.
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Krackow, S., Schmidt, T. A., & Elepfandt, A. (2003). Sexual growth dimorphism affects birth sex ratio in house mice. Proceedings of the Royal Society of London, Series B: Biological Sciences, 270(1518), 943–947. https://doi.org/10.1098/rspb.2002.2310
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We present the first empirical evidence that mammalian sex-ratio deviations result from variation in adult-weight sexual dimorphism via correlated effects on blastocyst development. Two selection lines of mice exhibiting high and low sexual dimorphism in adult weight showed correlated sexual weight differences at birth and at weaning, caused by relatively decelerated growth of males in the low line from before birth. The sex ratio at birth was significantly female-biased in the low line, and significantly lower than in the highly dimo
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- Krackow, S
- Schmidt, T A
- Elepfandt, A
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Krackow, S., Schmidt, T. A., & Elepfandt, A. (2003). Sexual growth dimorphism affects birth sex ratio in house mice. Proceedings of the Royal Society of London, Series B: Biological Sciences, 270(1518), 943–947. https://doi.org/10.1098/rspb.2002.2310