Molecular-Genetic Mechanisms of Sex Determination in Animals

Gender (sex) is a set of morphological and physiological characteristics of the organism underlying sexual reproduction, the essence of which is reduced to fertilization, i.e. the fusion of male and female gametes (gametes) zygote, which develops into a new organism.Sexual reproduction of a species is considered as one of the mechanisms of its homeostasis. Thanks to this mechanism, numerous species have an evolutionary advantage.


In the book, two authors will discuss the types of genetic sex determination and differentiation, mostly in multicellular animal organisms. Sex determination is both genetic and environmental process, the sex of an individual being established through an alternative physiological solution. There are two main postulated mechanisms of sex determination: genetic (GSD, Genetical Sex Determination) and environmental (ESD, Environmental Sex Determination).

Components of the Book:
  • FRONT MATTER
    • Introduction. A General Idea about Sex Determination
  • Chapter 1. Features of Sex Determination in Insects
  • Chapter 2. Mechanisms of Sex Determination in Roundworms (Nematodes)
  • Chapter 3. Mechanisms of Sex Determination in Lower Vertebrates
  • Chapter 4. Mechanisms of Sex Determination in Birds
  • Chapter 5. The Sex of the Platypus—Platypus Ornithorhynchus anatinus
  • Chapter 6. Sex Mammals
  • Chapter 7. The Sex Chromosomes, Sex and Their Evolution
  • Chapter 8. Determination of the Fate of Germ Cells
  • Chapter 9. Sexing Embryos of Domestic Animals. The Cases of Inversion and Abnormal Development of Sex in Animals
  • Chapter 10. Variations in the Systems of Sex Determination
  • BACK MATTER
    • List of Abbreviations
Readership: People who are interested in Molecular-Genetic Mechanisms of Sex Determination in Animals.
1
FRONT MATTER
PDF (619 KB)
9
Chapter 1. Features of Sex Determination in Insects
PDF (3048 KB)
22
Chapter 2. Mechanisms of Sex Determination in Roundworms (Nematodes)
PDF (1096 KB)
28
Chapter 3. Mechanisms of Sex Determination in Lower Vertebrates
PDF (4939 KB)
40
Chapter 4. Mechanisms of Sex Determination in Birds
PDF (2897 KB)
56
Chapter 5. The Sex of the Platypus—Platypus Ornithorhynchus anatinus
PDF (187 KB)
58
Chapter 6. Sex Mammals
PDF (4874 KB)
75
Chapter 7. The Sex Chromosomes, Sex and Their Evolution
PDF (999 KB)
86
Chapter 8. Determination of the Fate of Germ Cells
PDF (4971 KB)
99
Chapter 9. Sexing Embryos of Domestic Animals. The Cases of Inversion and Abnormal Development of Sex in Animals
PDF (748 KB)
104
Chapter 10. Variations in the Systems of Sex Determination
PDF (3236 KB)
116
BACK MATTER
PDF (619 KB)
Prof. Aleksandr F. Smirnov, Department of Genetics a. Biotechnology,St.Petersburg State University,Russia

A. V. Trukhina

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