Sex Ratios: Human Twins and Fraternal Effects

نویسندگان

  • Sarah C.L. Knowles
  • Ben C. Sheldon
چکیده

Historical data from Finnish populations reveals that, for females, exposure to a male twin in the womb may have significant, life-long, effects on subsequent fitness, with profound implications for the evolution of sex ratios and brood size.

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عنوان ژورنال:
  • Current Biology

دوره 17  شماره 

صفحات  -

تاریخ انتشار 2007