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Seed Biotechnology Center at UC Davis
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Phenomics

While the term genomics refers to the characterization of the DNA constitution of an organism, the term phenomics refers to the characterization of the phenotypic, or observable, traits of the organism.

Since genes can be recessive or dominant, whether an organism visibly exhibits a trait depends upon which types of genes it inherited from its parents.

When an organism has one gene (allele) that is recessive and one that is dominant for the same trait, only the dominate trait will be visible in the final form, or phenotype.

While genotyping can be performed at early stages of plant growth using only DNA, phenotypes generally require observation of the actual plant growth stage of interest.

With recent advances in genotyping technology, it has become much easier to determine a plant’s genotype than its phenotype.

Thus, there is intense interest in phenomics, which refers to the development of efficient, high-throughput methods to determine phenotypes of many individuals for multiple traits.

This extends not only to visible traits such as leaf shape or fruit color, but also to biochemical or metabolic traits that may be of interest.

 

 

information presented by SeedQuest and The Seed Biotechnology Center at UC Davis

 


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