marginally non-significantp = 0.051
Egg mass was significantly larger in eggs containing a female as compared to a male embryo (t = 2.28, df = 17, p = 0.036), while the difference in body mass between embryos of either sex was marginally non-significant (t = 2.10, df = 17, p = 0.051), with male embryos being heavier than females.