Sankhyā: The Indian Journal of Statistics, Series B (1960-2002), Vol. 33, No. 3/4 (Dec., 1971), pp. 217-224 (8 pages) Suppose that ${\rm L}(\psi,\theta)=(\psi -\theta)^{2}/\theta (1-\theta)$ is an ...

Several social and/or ecological conditions can be recognized that would make a strict adherence to an independent (random) sex-determination mechanism, if not maladaptive, certainly nonadaptive. Some ...