Related Experiment Video
Updated: Apr 21, 2026

In Vivo Modeling of the Morbid Human Genome using Danio rerio
Published on: August 24, 2013
Closing the genotype-phenotype gap: emerging technologies for evolutionary genetics in ecological model vertebrate
Claudius F Kratochwil1, Axel Meyer
1Chair in Zoology and Evolutionary Biology, Department of Biology, University of Konstanz, Konstanz, Germany; Zukunftskolleg, University of Konstanz, Konstanz, Germany.
New genomic and epigenomic tools enable studying genotype-phenotype links in wild organisms. This advances understanding of adaptation and evolution in ecological settings.
Area of Science:
- Genomics and Evolutionary Biology
- Molecular Ecology
Background:
- Analyzing genotype-phenotype connections was limited to few model systems.
- Technological progress now allows broader application in natural populations.
Purpose of the Study:
- To review novel genomic and epigenomic techniques for studying genotype-phenotype relationships.
- To explore the application of these methods in ecological and evolutionary vertebrate models.
Main Methods:
- Next-generation sequencing (RNA-seq, ChIP-seq, RAD-seq)
- Genome-editing technologies (CRISPR-Cas)
- Application to ecological models like sticklebacks and cichlid fish
Main Results:
- Novel techniques expand the scope of genotype-phenotype analysis beyond traditional model organisms.
- These methods are applicable to diverse vertebrate models in their natural habitats.
- Advances facilitate the study of genetic and epigenetic factors in adaptation and phenotypic variation.
Conclusions:
- New genomic and epigenomic tools significantly enhance the study of adaptive traits in ecological contexts.
- These advancements bridge the gap between genotype and phenotype, deepening our understanding of evolution.
- The application to wild populations offers unprecedented insights into evolutionary processes.
Related Concept Videos
Genetics of Speciation
Limits to Natural Selection
Evolutionary Relationships through Genome Comparisons
Evolution of New Traits in Microbes
Background and Environment Affect Phenotype
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
Incomplete Dominance

