Genetic basis of wing morphogenesis in Drosophila: sexual dimorphism and non-allometric effects of shape variation
2011

Genetic Basis of Wing Shape in Drosophila

Sample size: 191 publication 10 minutes Evidence: moderate

Author Information

Author(s): Valeria P Carreira, Ignacio M Soto, Julián Mensch, Juan J Fanara

Primary Institution: Universidad de Buenos Aires

Hypothesis

What are the genetic factors affecting wing shape variation in Drosophila melanogaster?

Conclusion

The study found that the genetic architecture of wing shape is complex and involves many different genes that contribute to the trait in a sexually dimorphic manner.

Supporting Evidence

  • More than 63% of induced mutations affected wing shape in one or both sexes.
  • Only 33% of the mutations showed significant differences in both males and females.
  • The genetic basis of wing shape is largely sex-specific and independent of wing size.

Takeaway

This study looked at how different genes affect the shape of fruit fly wings, finding that many genes work together and that these effects can be different for male and female flies.

Methodology

The study used geometric morphometrics techniques to analyze wing shape in males and females from 191 lines of Drosophila melanogaster with P-element insertions.

Limitations

The study may not account for all environmental factors affecting wing shape.

Participant Demographics

The study involved male and female Drosophila melanogaster from 191 P-element insertion lines.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-213X-11-32

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