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The Genetical Theory of Natural Selection by R.A. Fisher (1930) dictated that sexual dimorphisms may depend upon a single medelian factor. This could be true for some species but his suggestion could not take off the ground as gender in Drosophila is determined by the number of X chromosomes. Technical advances in molecular biology have revived the initial thinking of Fisher and dictate that TDF or SRY genes in humans or Tdy in mice are sex determining genes. The fortuitous findings of XX males and XY female, which are generally termed sex reversal phenomenon, are quite bewildering traits that
Sex determination, Genetic. --- Molecular genetics. --- Genetics --- Molecular biology --- Chromosomal sex determination --- Determination of sex, Genetic --- Genetic determination of sex --- Genotypic sex determination --- Sex --- Sex determination, Genetic --- Gene expression --- Sex chromosomes --- Sex determination --- Cause and determination --- Genetic sex determination.
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Few of us know much about the biology of sex determination, but what could be more interesting than to discover how we are shaped into males and females? In this book, Elof Carlson tells the incredible story of the difficult quest to understand how the body forms girls and boys. Carlson's history takes us from antiquity to the present day to detail how each component of human reproduction and sexuality was identified and studied, how this knowledge enlarged our understanding of sex determination, and how it was employed to interpret such little understood aspects of human biology as the ori
Sex determination, Genetic. --- Chromosomal sex determination --- Determination of sex, Genetic --- Genetic determination of sex --- Genotypic sex determination --- Sex --- Sex determination, Genetic --- Gene expression --- Sex chromosomes --- Sex determination --- Cause and determination --- Gene expression. --- Genes --- Genetic regulation --- Expression --- Genetic sex determination.
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'Females are Mosaics' focuses on the X chromosome as a key to female development and the role of X-related factors in the etiology of sex differences in human disease.
X chromosome. --- Mosaicism. --- Sex determination, Genetic. --- Sex-linkage (Genetics) --- Linkage (Genetics) --- Sex chromosomes --- Chromosomal sex determination --- Determination of sex, Genetic --- Genetic determination of sex --- Genotypic sex determination --- Sex --- Sex determination, Genetic --- Gene expression --- Sex determination --- Chromosomal mosaicism --- Chromosome mosaics --- Mosaics (Genetics) --- Mosaics, Chromosome --- Genetics --- Chromosome X --- Cause and determination --- X Chromosome Inactivation --- Genetic Diseases, X-Linked. --- Sex Factors. --- physiology. --- Genetic sex determination.
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A tiny scrap of genetic information determines our sex; it also consigns many of us to a life of disease, directs or disrupts the everyday working of our bodies, and forces women to live as genetic chimeras. The culprit--so necessary and yet the source of such upheaval--is the X chromosome, and this is its story. An enlightening and entertaining tour of the cultural and natural history of this intriguing member of the genome, The X in Sex traces the journey toward our current understanding of the nature of X. From its chance discovery in the nineteenth century to the promise and implications of ongoing research, David Bainbridge shows how the X evolved and where it and its counterpart Y are going, how it helps assign developing human babies their sex--and maybe even their sexuality--and how it affects our lives in infinitely complex and subtle ways. X offers cures for disease, challenges our cultural, ethical, and scientific assumptions about maleness and femaleness, and has even reshaped our views of human evolution and human nature.
X chromosome. --- Sex determination, Genetic. --- Chromosomal sex determination --- Determination of sex, Genetic --- Genetic determination of sex --- Genotypic sex determination --- Sex --- Sex determination, Genetic --- Gene expression --- Sex chromosomes --- Sex determination --- Chromosome X --- Cause and determination --- Genetic sex determination --- X chromosome --- Genetic sex determination.
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Covering sex allocation, sex determination and operational sex ratios, this multi-author volume provides both a conceptual context and an instruction in methods for many aspects of sex ratio research. Theory, statistical analysis and genetics are each explained and discussed in the first three sections. The remaining chapters each focus on research in one of a wide spectrum of animal, plant and microbial taxa, including sex ratio distorting bacteria in invertebrates, malarial parasites, birds, human and other mammals, giving critical appraisals of such research. Sex Ratios: Concepts and Research Methods is primarily intended for graduate and professional behavioural and evolutionary ecologists in this field, but it will also be useful to biologists building evolutionary models, and researchers analysing data involving proportions or comparisons across phylogenetically related species.
Sex ratio. --- Sex determination, Genetic. --- Ratio, Sex --- Ratios, Sex --- Sex ratios --- Sex (Biology) --- Chromosomal sex determination --- Determination of sex, Genetic --- Genetic determination of sex --- Genotypic sex determination --- Sex --- Sex determination, Genetic --- Gene expression --- Sex chromosomes --- Sex determination --- Cause and determination --- Genetic sex determination.
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Genetic sex determination --- Sex Determination Processes. --- Sex Differentiation. --- Genetic sex determination. --- Sexuelle Entwicklung --- Determination of sex, Genetic --- Genetic determination of sex --- Sex --- Differentiation, Sex --- Sexual Differentiation --- Differentiation, Sexual --- Protandry --- Protogyny --- Sex Determination Genetic Processes --- Sex Determination Process --- Sex Determination Genetics --- Determination Process, Sex --- Determination Processes, Sex --- Genetics, Sex Determination --- Process, Sex Determination --- Processes, Sex Determination --- Chromosomal sex determination --- Genotypic sex determination --- Sex determination, Genetic --- Sexualentwicklung --- Cause and determination --- Gene expression --- Sex chromosomes --- Sex Determination Processes --- Sex Differentiation --- Sex Preselection --- Genes, sry --- Sex determination --- Sexuelle Entwicklung.
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Women who are dominant are more likely to have sons. Demographic studies show that more male children are born after wars, yet most people believe that their baby's sex is a matter of chance - determined by the father's sperm. Valerie Grant presents evidence that the mother's personality - which is related to female testosterone levels - can actually influence which type of sperm fertilises the egg.Using data from human and animal studies Valerie Grant discusses the implications for human evolution, developmental psychology and reproductive biology. Her claims are controversial and the imp
Sex determination, Genetic. --- Sex ratio. --- Dominance (Psychology) --- Pregnancy --- Human evolution. --- Testosterone. --- Mothers --- Androgens --- Evolution (Biology) --- Physical anthropology --- Evolutionary psychology --- Human beings --- Pregnant women --- Social hierarchy (Psychology) --- Control (Psychology) --- Social groups --- Ratio, Sex --- Ratios, Sex --- Sex ratios --- Sex (Biology) --- Chromosomal sex determination --- Determination of sex, Genetic --- Genetic determination of sex --- Genotypic sex determination --- Sex --- Sex determination, Genetic --- Gene expression --- Sex chromosomes --- Sex determination --- Psychological aspects. --- Psychology. --- Origin --- Psychology --- Cause and determination --- Human evolution --- Sex ratio --- Testosterone --- Psychological aspects --- Dominance (Psychology). --- Genetic sex determination --- Genetic sex determination.
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This book presents Dr Money's formulation of how sexual preference is determined. It includes a review of long-term follow-up studies on pre-natal influences on sexual identity, and discusses gender differentiation in childhood. The book concludes with an examination of the conflict between gender and sexual identities.
Brain. --- Homosexuality. --- Identification (Psychology). --- Paraphilias. --- Psychosexual disorders. --- Sex (Psychology). --- Genetic sex determination. --- Sex differentiation. --- Sex Hormones. --- Sex differentiation --- Genetic sex determination --- Psychosexual disorders --- Sex (Psychology) --- Brain --- Gender Identity. --- Gonadal Steroid Hormones. --- Identification, Psychological. --- Paraphilic Disorders. --- Psychology, Sexual --- Sex --- Sexual behavior, Psychology of --- Sexual psychology --- Sensuality --- Disorders, Psychosexual --- Psychology, Pathological --- Paraphilias --- Sexual disorders --- Chromosomal sex determination --- Determination of sex, Genetic --- Genetic determination of sex --- Genotypic sex determination --- Sex determination, Genetic --- Gene expression --- Sex chromosomes --- Sex determination --- Differentiation, Sex --- Sexual differentiation --- Embryology --- Sex Deviations --- Deviation, Sex --- Deviations, Sex --- Disorder, Paraphilic --- Disorders, Paraphilic --- Paraphilia --- Paraphilic Disorder --- Sex Deviation --- Disruptive, Impulse Control, and Conduct Disorders --- Identification (Psychology) --- Identification, Psychology --- Identifications (Psychology) --- Identifications, Psychological --- Identifications, Psychology --- Psychological Identification --- Psychological Identifications --- Psychology Identification --- Psychology Identifications --- Homosexuality, Ego-Dystonic --- Ego-Dystonic Homosexuality --- Homosexuality, Ego Dystonic --- Sexual and Gender Minorities --- Sex Hormones --- Gonadal Steroid Hormone --- Sex Hormone --- Sex Steroid Hormone --- Sex Steroid Hormones --- Hormone, Gonadal Steroid --- Hormone, Sex --- Hormone, Sex Steroid --- Hormones, Gonadal Steroid --- Hormones, Sex Steroid --- Steroid Hormone, Gonadal --- Steroid Hormone, Sex --- Steroid Hormones, Gonadal --- Steroid Hormones, Sex --- Gender --- Gender Identities --- Identity, Gender --- Transgender Persons --- physiology. --- Psychological aspects --- Cause and determination
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