Sex Is a Spectrum

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Adults
Animals
Aspects
Assumptions
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Behavior
bias
binary
Biological
Biology
Birth
bodies
boys
Brain
brains
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Chromosomes
Cultural
Data
Develop
Development
Differences
Dynamics
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Evidence
Evolution
Evolutionary
Females
Fusion
Gamete
Gamete producers
Gamete producing
Gender
Gender sex
Genetic
genitals
girls
gonads
Groups
Hair
Height
Homo
Hormones
Human
Individuals
Infants
Internal
Levels
LGBTQ.
Males
Mammals
men
Muscle
muscles
Organisms
Organs
Ovaries
Pair
Patterns
Physiological
Physiology
Primates
Processes
Produce
Producers
Range
Relative
reproduction
Reproductive
Research
Researchers
Roles
sex
Sex biology
Sexual
sexuality
skeleton
Species
Sperm
Strength
Structure
Studies
Systems
Testes
Testosterone
Tissue
Typical
Variation
Vary
women

Product details

  • ISBN 9780691249414
  • Dimensions: 140 x 216mm
  • Publication Date: 06 May 2025
  • Publisher: Princeton University Press
  • Publication City/Country: US
  • Product Form: Hardback
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Why human biology is far more expansive than the simple categories of female and male

Being human entails an astonishingly complex interplay of biology and culture, and while there are important differences between women and men, there is a lot more variation and overlap than we may realize. Sex Is a Spectrum offers a bold new paradigm for understanding the biology of sex, drawing on the latest science to explain why the binary view of the sexes is fundamentally flawed—and why having XX or XY chromosomes isn’t as conclusive as some would have us believe.

In this lively and provocative book, leading biological anthropologist Agustín Fuentes begins by tracing the origin and evolution of sex, describing the many ways in the animal kingdom of being female, male, or both. Turning to humans, he presents compelling evidence from the fossil and archaeological record that attests to the diversity of our ancestors’ sexual bonds, gender roles, and family and community structures, and shows how the same holds true in the lived experiences of people today. Fuentes tackles hot-button debates around sports and medicine, explaining why we can acknowledge that females and males are not the same while also embracing a biocultural reality where none of us fits neatly into only one of two categories.

Bringing clarity and reason to a contentious issue, Sex Is a Spectrum shares a scientist’s perspective on why a binary view of sex and gender is not only misguided but harmful, and why there are multitudes of ways of being human.

Agustín Fuentes is professor of anthropology at Princeton University. His books include Race, Monogamy, and Other Lies They Told You: Busting Myths about Human Nature; The Creative Spark: How Imagination Made Humans Exceptional; and Why We Believe: Evolution and the Human Way of Being.

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