The Sacred Depths of Nature

By Ursula Goodenough | Go to book overview

XII
Speciation

Eukaryotic sex has given rise to the evolution of nurturing, the evolution of love, and the evolution of multicellularity and death.Here we consider a final manifestation: Sexual eukaryotes came to adopt the evolutionary pattern known as speciation, which segregates organisms into those that will and will not mate with one another.Such segregation allows each species to develop distinctive traits, and has come to generate much of our biodiversity.


THE DYNAMICS OF SPECIATION

Meiosis is a fair lottery, providing each allele with the chance to be transmitted to the next generation and expressed in concert with the other genes that find their way into the same zygotic nucleus. Natural selection then acts on the particular com

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The Sacred Depths of Nature
Table of contents

Table of contents

  • The Sacred Depths of Nature *
  • Contents *
  • Personal *
  • Introduction *
  • How This Book is Put Together *
  • I- Origins of the Earth *
  • II- Origins of Life *
  • III- How Life Works *
  • IV- How an Organism Words *
  • V- How Evolution Words *
  • VI- The Evolution of Biodiversity *
  • VII- Awareness *
  • VIII- Emotions and Meaning *
  • IX- Sex *
  • X- Sexuality *
  • XI- Multicellularity and Death *
  • XII- Speciation *
  • Emergent Religious Principles *
  • Notes and Further Reading *
  • Index *
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