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From the origin of sex-determining factors to the evolution of sex-determining systems

Författare

Summary, in English

Sex determination is typically classified as either genotypic or environmental. However, this dichotomy obscures the developmental origin and evolutionary modification of determinants of sex, and therefore hinders an understanding of the processes that generates diversity in sex-determining systems. Recent research on reptiles and fish emphasizes that sex determination is a multifactorial regulatory process that is best understood as a threshold dichotomy rather than as the result of genetically inherited triggers of development. Here we critically assess the relationship between the developmental origin of sex-determining factors and evolutionary transitions in sex-determining systems. Our perspective emphasizes the importance of both genetic and nongenetic causes in evolution of sex determination and may help to generate predictions with respect to the evolutionary patterns of sex-determining systems and the underlying diversity of developmental and genetic regulatory networks.

Publiceringsår

2011

Språk

Engelska

Sidor

163-180

Publikation/Tidskrift/Serie

Quarterly Review of Biology

Volym

86

Issue

3

Dokumenttyp

Artikel i tidskrift

Förlag

University of Chicago Press

Ämne

  • Biological Sciences

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0033-5770