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Related Concept Videos

Synteny and Evolution02:31

Synteny and Evolution

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John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
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Viral Recombination00:57

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Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
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Convergent Evolution01:54

Convergent Evolution

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Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
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Related Experiment Video

Updated: Nov 6, 2025

Creating Avian Forebrain Chimeras to Assess Facial Development
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Creating Avian Forebrain Chimeras to Assess Facial Development

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Human-monkey chimeras: Monkey see, monkey do.

Victoria L Mascetti1, Roger A Pedersen2

  • 1Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford University, CA 94305, USA.

Cell Stem Cell
|May 7, 2021
PubMed
Summary
This summary is machine-generated.

Researchers created human-monkey chimeras in vitro, offering new insights into human stem cell biology and early development. This research uses a unique embryonic environment closer to humans than prior models.

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Related Experiment Videos

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Area of Science:

  • Developmental Biology
  • Stem Cell Biology
  • Comparative Embryology

Background:

  • Understanding early human development is crucial but ethically challenging.
  • Previous chimera studies used species evolutionarily distant from humans (e.g., rodents).

Purpose of the Study:

  • To generate human-monkey chimeras in vitro.
  • To investigate human stem cell behavior in a closely related primate embryonic environment.
  • To gain insights into early human development.

Main Methods:

  • Generation of human-monkey chimeras using in vitro techniques.
  • Utilizing a primate embryonic environment for stem cell integration.

Main Results:

  • Successful generation of human-monkey chimeras in vitro.
  • Demonstrated the potential for human cells to integrate and develop within a primate embryonic context.

Conclusions:

  • Human-monkey chimeras provide a novel model for studying human stem cells and early development.
  • This model offers a unique window into human embryogenesis in an evolutionarily relevant setting.