Produktbild: Choosing Sexes

Choosing Sexes

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Mechanisms and Adaptive Patterns of Sex Allocation in Vertebrates, Fascinating Life Sciences

ISBN: 3319712691
ISBN 13: 9783319712697
Autor: Navara, Kristen J
Verlag: Springer Verlag GmbH
Umfang: xii, 240 S., 10 s/w Illustr., 61 farbige Illustr., 240 p. 71 illus., 61 illus. in color.
Erscheinungsdatum: 12.02.2018
Auflage: 1/2018
Produktform: Gebunden/Hardback
Einband: Gebunden

There is extensive evidence that vertebrates of all classes have the ability to control the sexes of the offspring they produce. Despite dramatic differences in the mechanisms by which different taxa determine the initial sex of offspring, each group has found its own way of adjusting offspring sex ratios in response to social and environmental cues. For example, stress is a well-known modulator of offspring sex in members of all groups studied to date. Food availability, and limitation in particular, is another common cue that stimulates biases in offspring sex ratios in a wide variety of species. Offspring sex can be adjusted at the primary level, which occurs prior to conception, or at the secondary level, during embryonic development. While the mechanistic pathways that ultimately result in sex ratio biases and the developmental time-points sensitive to those mechanisms likely differ among taxa, the key involvement of steroid hormones in the process of sex ratio adjustment appears to be pervasive throughout.This book reviews the systems of sex determination at play in different vertebrate groups, summarizes the evidence that members of all vertebrate taxa can facultatively adjust offspring sex, and discusses when and how these adjustments can take place.

Artikelnummer: 3046448 Kategorie:

Beschreibung

Summarizes the latest studies on sexdetermination in vertebrates Maximizes readers insights into how animals and humans can adjust the sexes of offspringIllustrates the detailed mechanisms how the sex adjustment can be achieved

Autorenporträt

Kristen J. NavaraAssociate Professor & Graduate Coordinator Department of Poultry Science The University of Georgia Athens, Georgia, USA EducationPostdoctoral Fellow, The Ohio State University Ph.D, Biological Sciences, Auburn University B.S. Biology, The Pennsylvania State University Research InterestsSex ratio manipulation and ovarian follicular dynamics in female birds, Mechanistic bases of yolk androgen deposition, links between maternal immunity and the manipulation of offspring phenotype

Herstellerkennzeichnung:


Springer Verlag GmbH
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69121 Heidelberg
DE

E-Mail: juergen.hartmann@springer.com

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