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Sunday, August 2, 2020 | History

2 edition of Sex-determination found in the catalog.

Sex-determination

Crew, F. A. E.

Sex-determination

by Crew, F. A. E.

  • 362 Want to read
  • 26 Currently reading

Published by Dover Publications in New York .
Written in English

    Subjects:
  • Sex determination, Diagnostic.,
  • Sex (Biology)

  • Edition Notes

    Bibliography: p. [119]-170.

    Statement[by] F.A.E. Crew.
    Classifications
    LC ClassificationsQP251 .C95 1965
    The Physical Object
    Paginationviii, 188 p.
    Number of Pages188
    ID Numbers
    Open LibraryOL5976099M
    LC Control Number66002234
    OCLC/WorldCa1100722

    Sex Determination Summary: The average percentage of males using all features discussed above was 87%. However, this gives equal credence to each method employed, a potentially unwarranted assumption since not all the methods are evenly weighted for accuracy. In particular, features of the innominate are far more diagnostic than others. The cloning of the SRY gene and the attainment of XX mice transgenic for the Sry gene opened a new era in research on sex determination. This book surveys current knowledge of sex chromosomes and sex determination in all vertebrate classes, relying on the restriction of genetic recombination in sex.

    Sex-determination. New York, Dover Publications [©] (OCoLC) Online version: Crew, F.A.E. (Francis Albert Eley), Sex-determination. New York, Dover Publications [©] (OCoLC) Document Type: Book: All Authors / Contributors: F A E Crew. The question of why organisms reproduce sexually is still a matter of controversy. In this account, Professor Maynard Smith considers the selective forces responsible for the origin and evolution of sexual reproduction and genetic recombination, using quantitative /5(15).

    Sex determination. Oxford, New York, Pergamon Press [] (OCoLC) Online version: Bacci, Guido. Sex determination. Oxford, New York, Pergamon Press [] (OCoLC) Document Type: Book: All Authors / Contributors: Guido Bacci.   > In this commentary, Leo Beukeboom considers the findings of [Hodson et al][1]. in this issue of GENETICS, and their discovery of an unusual sex determination mechanism in a book louse, a little-studied group of insects. MOST biologists are familiar with male heterogamety, the mechanism of Cited by: 1.


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Sex-determination by Crew, F. A. E. Download PDF EPUB FB2

This novel book presents and synthesizes our current understanding, and clearly shows that sex-determination evolution will remain a dynamic field of future Sex-determination book. The Evolution of Sex Determination is an advanced, research level text suitable for graduate students and researchers in genetics, developmental biology, and by: Book Description How and why do males become male and females become female.

The genetic determination of sex is explained and how this determination leads to differentiation of sexual exuality is a major problem in farm animals. The author explains how genetic females can generate organs such as the testis and other such by: Reprint of: Sexual DevelopmentVol. 3, No. Sexual development in fish is characterized by extraordinary variation, including genetic and environmental sex determination, male and female heterogamety, single gene and polygenic systems, protandry, protogyny and simultaneous hermaphroditism, social influence on sexual determination, and many combinations and variations.

Sex Determination Hardcover – January 1, by G Bacci (Author) See all 2 formats and editions Hide other formats and editionsAuthor: G Bacci. The book will be valuable to general cytogeneticists, vertebrate zoologists, and veterinarian and medical practitioners interested in the foundations of sex determination and the current knowledge of sex chromosomes.

It will also interest students in advanced undergraduate and graduate courses in Cited by: Book Description This book is the first to report that research in allogenics/xenogenics has conclusively shown that fishes have retained bisexual potency even after sexual maturity and spermiation.

H ow an individual's sex is determined has been one of the great questions of embryology Sex-determination book antiquity. Aristotle, who collected and dissected embryos, claimed that sex was determined by the heat of the male partner during intercourse.

The more heated the. This novel book presents and synthesizes our current understanding, and clearly shows that sex-determination evolution will remain a dynamic field of future research.

The Evolution of Sex. Sex determination evolves rapidly, and Eric Haag's chapter is based on the idea that our detailed understanding of sex determination in C.

elegans makes it an attractive subject for studies in comparative biology. Introduction. Diverse mechanisms are involved in the determination of sex in lower animals, such as the ratio of the number of X chromosomes to autosomes in Drosophila (Hodgkin, ) or the ambient temperature during incubation of the embryo in turtles, alligators, crocodiles and some lizards (Charnier, ; Bull, ; Head, May & Pendleton, ; Deeming & Ferguson, ; Ewert Author: R.

Hunter. Publisher Summary The critical factor in mammalian sex determination and differentiation is the development of the gonad. It has been shown that the testes produce testosterone and anti-Müllerian hormone (AMH), which are responsible for inducing the male secondary sex characteristics.

In some species, such as Bonellia and Crepidula, sex determination is brought about by the position of the individual with regard to other individuals of the same species. By agreement with the publisher, this book is accessible by the search feature, but cannot be : Scott F Gilbert.

Figure \(\PageIndex{1}\): Sex determination: The presence of X and Y chromosomes are one of the factors responsible for sex determination in mammals, with males being the heterozygous sex. In birds, Z and W chromosomes determine sex, with females being the heterozygous sex.

Avian sex determination is dependent on the presence of Z and W. Chapter Two - Environmental regulation of sex determination in fishes: Insights from Atheriniformes Yoji Yamamoto, Ricardo S.

Hattori, Reynaldo Patiño, Carlos A. Strüssmann Pages   This novel book presents and synthesizes our current understanding, and clearly shows that sex-determination evolution will remain a dynamic field of future research. The Evolution of Sex Determination is an advanced, research level text suitable for graduate students and researchers in genetics, developmental biology, and : Leo Beukeboom.

fog-1 and fog Two facts imply that fog-1 and fog-3 control sexual fate in germ cells and probably act at the end of the sex-determination pathway. First, mutations in fog-1 or fog-3 cause germ cells to differentiate as oocytes rather than sperm, but have no effect on other parts of the body.

Second, genetic analyses indicate that mutations in fog-1 and fog-3 act downstream of mutations Cited by: Sexual reproduction is an ancient feature of life on earth, and the familiar X and Y chromosomes in humans and other model species have led to the impression that sex determination mechanisms are.

The book first offers information on the chromosomal basis of sex determination, as well as development of the cell theory, mitosis, fertilization, meiosis, and discovery of sex chromosomes.

The publication also ponders on the mitosis, meiosis, and formation of gametes. This book reviews and discusses our current understanding of the molecular genetic pathways of sex determination, with special emphasis on vertebrates.

It features comparisons with other modes of sex determination, consideration of the biology of sexual development and discussion of the evolution of sex-determining mechanisms. Purchase Molecular Genetics of Sex Determination - 1st Edition.

Print Book & E-Book. ISBNBook Edition: 1. This book is the first to report that research in allogenics/xenogenics has conclusively shown that fishes have retained bisexual potency even after sexual maturity and spermiation. The XY genotype found in the unexpected female phenotypes sired by supermales (Y1Y2) and androgenic males (Y2Y2) points out the need to employ sex specific molecular ma.Determination of Sex in Human Beings!

Sex determination in humans: In human beings, sex is determined by genetic inheritance. Genes inherited from the parents determine whether an offspring will be a boy or a girl. Genes for all the characters are linearly arranged on chromosomes.

These include the genes for sexual characters.Sex determination in animals is an integral part of reproduction. In general, sex determination describes the genetic and environmental processes that influence sex differentiation, whereas sex differentiation is the physical realization of these events in terms of testicular or ovarian development (Mittwoch, ).

In other words, sex.