How accurate is the phenotype? – An analysis of developmental noise in a cotton aphid clone
2008

Developmental Noise in Cotton Aphids

Sample size: 1677 publication Evidence: moderate

Author Information

Author(s): Babbitt Gregory A

Primary Institution: Center for Evolutionary Functional Genomics, The Biodesign Institute, Arizona State University

Hypothesis

How does developmental noise compare to fluctuating asymmetry in cotton aphids under varying temperatures?

Conclusion

Developmental noise significantly affects the sensitivity of fluctuating asymmetry to temperature changes in cotton aphids.

Supporting Evidence

  • Fluctuating asymmetry in the aphid wing was nearly four times higher than in other insect species.
  • Developmental noise comprised approximately 50% of the overall response of fluctuating asymmetry to temperature.
  • Fluctuating asymmetry correlated negatively with temperature.

Takeaway

This study found that cotton aphids have a lot of internal noise during development, which makes it hard for them to respond to changes in temperature.

Methodology

The study involved rearing monoclonal populations of cotton aphids at different temperatures and measuring fluctuating asymmetry in their wings.

Potential Biases

Potential under-sampling in some populations could introduce bias.

Limitations

The study may not account for all environmental factors affecting fluctuating asymmetry.

Participant Demographics

Monoclonal populations of cotton aphids (Aphis gossipyii) were used.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1186/1471-213X-8-19

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