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Sexual Crosses with the Mucoromycete Phycomyces blakesleeanus

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Published on: June 6, 2025

Evolution and human sexuality.

¹Department of Anthropology, University of Nevada, Las Vegas, Las Vegas, NV 89154-5003.

American Journal of Physical Anthropology

|October 24, 2013

Summary

This summary is machine-generated.

This review explores the evolutionary origins of human sexuality, integrating theoretical foundations, phylogenetic models, genetic data, and life history perspectives. It examines how human sexual behaviors and traits evolved from ancestral states to modern patterns.

Keywords:

Homo evolution genetics hominin life course life history neuroendocrine polygyny sexual behavior sexual function sexual selection

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Area of Science:

Evolutionary biology
Human sexuality research
Anthropology

Background:

Human sexuality is a complex trait with deep evolutionary roots.
Understanding its evolution requires integrating diverse theoretical and empirical approaches.
Previous research has focused on specific aspects, necessitating a comprehensive review.

Purpose of the Study:

To provide an evolutionary perspective on core features of human sexuality.
To synthesize recent theoretical, genetic, physiological, and behavioral research.
To highlight the importance of a life course approach in evolutionary studies of sexuality.

Main Methods:

Review of theoretical foundations and critiques of sexual selection theory.
Analysis of phylogenetic models of hominin sexual evolution.
Integration of genetic, genomic, and neuroendocrine data.
Examination of recent large-scale studies on human sexual behavior.
Application of life history theory to human sexuality across the lifespan.

Main Results:

Refined theoretical bases for sex differences and mating effort allocations.
Models suggest transitions from chimpanzee-like ancestors to hunter-gatherer social structures.
Genomic and neuroendocrine data offer insights into selection signals and mechanisms.
Recent studies provide broad insights into contemporary sexual behavior.
A life course perspective reveals diverse sexual expression from conception to death.

Conclusions:

Human sexuality has evolved through complex processes, influenced by sexual selection and life history trade-offs.
Integrating diverse data streams refines our understanding of evolutionary pathways.
Considering the entire lifespan is crucial for a complete evolutionary picture of human sexuality.