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Theoretical Studies on Sex Ratio Evolution. (MPB-22), Volume 22 (Paperback)
Loot Price: R2,156
Discovery Miles 21 560
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Theoretical Studies on Sex Ratio Evolution. (MPB-22), Volume 22 (Paperback)
Series: Monographs in Population Biology
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This book deals with a key area of population genetics: the ratio
of the sexes in a population, or the allocation of resources to
male versus female reproductive function. Samuel Karlin and Sabin
Lessard establish the formal theoretical aspects of the evolution
of sex ratio within the constraints of genetic mechanisms of sex
determination. Their results generalize and unify existing work on
the topic, strengthening previous conceptions in some cases and, in
other instances, offering new directions of research. There are two
main approaches to understanding the causes and effects of sex
ratio. One approach focuses on the optimization and adaptive
functions of sex allocation, while the other emphasizes the
consequences of genetic sex determination mechanisms. In discussing
the utility of these two approaches, Professors Karlin and Lessard
examine the principal sex-determining mechanisms and facts involved
in sex ratio representations, the various genetic and environmental
factors that contribute to adaptive sex expression, and the
evolution of sex determining systems and controls. From a
population genetic perspective, the authors derive evolutionary
properties in support of the high incidence of 1:1 sex ratio in
natural populations and investigate the conditions that can explain
the occurrence of biased sex ratio.
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