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Published on: November 9, 2013
Genomic dissection of the seed
Michael G Becker1, Ssu-Wei Hsu2, John J Harada2
1Department of Biological Sciences, University of Manitoba, Winnipeg, MB Canada.
Seed genomics research is crucial for global food security, offering new ways to boost crop yields. This review highlights available genomic data and tools for analyzing large datasets to advance seed biology.
Area of Science:
- Plant biology
- Genomics
- Agricultural science
Background:
- Seeds are vital for global food security, providing over 70% of daily calories.
- Increasing global population necessitates advancements in food production through seed genomics.
- Seed genomics research has rapidly expanded, generating vast amounts of data.
Purpose of the Study:
- To review available seed region and subregion genomic data for oilseed models.
- To provide insights into tools for analyzing large-scale seed genomics datasets.
- To address the challenge of analyzing and mining extensive seed genomics information.
Main Methods:
- Review of existing seed genomics literature and data.
- Identification of genomic data for established and emerging oilseed models.
- Exploration of analytical tools for large-scale genomic datasets.
Main Results:
- Summary of current genomic data for seed regions and subregions in oilseed models.
- Identification of emerging model systems in seed genomics.
- Discussion of methodologies for analyzing complex genomic data.
Conclusions:
- Seed genomics offers significant potential for improving food production.
- Effective analysis of large datasets is critical for leveraging seed genomics advancements.
- Further development of analytical tools is needed to fully utilize seed genomics data.
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Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...

