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Related Experiment Videos

Parthenogenetic lizards as vertebrate systems.

C J Cole1, C R Townsend

  • 1Department of Herpetology and Ichthyology, American Museum of Natural History, New York, New York 10024.

The Journal of Experimental Zoology. Supplement : Published Under Auspices of the American Society of Zoologists and the Division of Comparative Physiology and Biochemistry
|January 1, 1990
PubMed
Summary

Unisexual (all-female) lizards reproduce asexually through parthenogenesis, creating clones. These Cnemidophorus lizards are valuable models for diverse biological research, including genetics and evolutionary biology.

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Area of Science:

  • Reproductive Biology
  • Evolutionary Biology
  • Genetics

Background:

  • Unisexual (all-female) lizards from the genus Cnemidophorus exhibit parthenogenesis, producing clones.
  • Both diploid and triploid parthenogens exist within this genus.
  • Closely related bisexual (gonochoristic) species are also present.

Purpose of the Study:

  • To highlight the suitability of Cnemidophorus lizards for various research fields.
  • To discuss the advantages and disadvantages of maintaining laboratory colonies of these lizards.

Main Methods:

  • Review of existing research on Cnemidophorus lizards.
  • Analysis of reproductive strategies (parthenogenesis and bisexuality).

Main Results:

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  • Cnemidophorus lizards are valuable models for oogenesis, embryogenesis, nutrition, immunology, sex determination, genetics, aging, and evolutionary studies.
  • Parthenogenesis allows for clonal reproduction in these lizards.

Conclusions:

  • The unique reproductive biology of Cnemidophorus lizards makes them excellent subjects for a wide range of scientific investigations.
  • Consideration of laboratory colony maintenance is crucial for effective research utilization.