Sex-ratio biasing towards daughters among lower-ranking co-wives in Rwanda
نویسندگان
چکیده
منابع مشابه
co-wives in Rwanda Sex-ratio biasing towards daughters among lower-ranking
References #ref-list-1 http://rsbl.royalsocietypublishing.org/content/early/2009/07/07/rsbl.2009.0394.full.html This article cites 29 articles, 8 of which can be accessed free P<P Published online 8 July 2009 in advance of the print journal. Subject collections (814 articles) evolution (576 articles) behaviour Articles on similar topics can be found in the following collections Email aler...
متن کاملSex-ratio biasing towards daughters among lower-ranking co-wives in Rwanda.
There is considerable debate as to whether human females bias the sex ratio of their offspring as a function of their own condition. We apply the Trivers-Willard prediction-that mothers in poor condition will overproduce daughters-to a novel measure of condition, namely wife rank within a polygynous marriage. Using a large-scale sample of over 95 000 Rwandan mothers, we show that lower-ranking ...
متن کاملCivil Conflict, Sex Ratio and Intimate Partner Violence in Rwanda
This paper examines the long-term impact of civil conflict on intimate partner violence and women’s decision-making power using post-genocide data from Rwanda. Household survey data collected 11 years after the genocide show that women who became married after the genocide experienced significantly increased intimate partner violence and decreased decision-making power relative to women who bec...
متن کاملSex ratio at birth among Chinese babies born in Italy is lower than in China.
I n industrial countries sex ratio at birth (SRB) (male/ female) varies between 1.07 and 1.03, with a decreasing trend in the past few decades. Population statistics of the past 20 years report that SRB in China is constantly and considerably increasing. According to official census data, the SRB of Chinese newborn babies was 1.168 in 2000 but in some provinces it exceeded 1.3. The increase of ...
متن کاملWinning the Genetic Lottery: Biasing Birth Sex Ratio Results in More Grandchildren
Population dynamics predicts that on average parents should invest equally in male and female offspring; similarly, the physiology of mammalian sex determination is supposedly stochastic, producing equal numbers of sons and daughters. However, a high quality parent can maximize fitness by biasing their birth sex ratio (SR) to the sex with the greatest potential to disproportionately outperform ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Biology Letters
سال: 2009
ISSN: 1744-9561,1744-957X
DOI: 10.1098/rsbl.2009.0394