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Related Concept Videos

Incomplete Dominance01:43

Incomplete Dominance

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Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.
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Evolutionary Relationships through Genome Comparisons02:54

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Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
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Genetic Screens02:46

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Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
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The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
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Related Experiment Video

Updated: Jun 25, 2025

A Rapid and Facile Pipeline for Generating Genomic Point Mutants in C. elegans Using CRISPR/Cas9 Ribonucleoproteins
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Agile Genetics: Single gene resolution without the fuss.

Justin N Vaughn1, Walid Korani2, Josh Clevenger2

  • 1USDA-ARS, Athens, Georgia, USA.

Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology
|May 21, 2024
PubMed
Summary

Agile Genetics accelerates gene discovery using structured populations and advanced sequencing. This strategy achieves single gene resolution in large populations, enabling faster genetic advancements.

Keywords:
ID‐seqQTL‐seqbulk segregant analysisexperimentalpangenomic graphpopulation design

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Area of Science:

  • Genetics and Genomics
  • Agricultural Science
  • Bioinformatics

Background:

  • Gene discovery is crucial for crop improvement but traditionally slow.
  • Marker-assisted selection and targeted mutagenesis rely on precise gene identification.
  • Current methods face limitations in gene resolution and discovery speed.

Purpose of the Study:

  • To present a novel strategy, Agile Genetics, for rapid gene discovery.
  • To overcome limitations in gene resolution using structured populations.
  • To demonstrate the potential for achieving single gene resolution in large-scale studies.

Main Methods:

  • Utilizing nested, structured populations for enhanced gene mapping.
  • Employing bulk segregant pools with large population sizes (>5000 samples).
  • Leveraging advanced sequencing techniques, including iterative depth sequencing (ID-seq) and graph-based pangenomics.

Main Results:

  • Simulations show single gene resolution is achievable with >5000 samples.
  • Read depth and technical replication are key factors for high resolution.
  • ID-seq offers a promising enrichment method for improved coverage.

Conclusions:

  • Agile Genetics merges agronomic scale with molecular and bioinformatic innovation.
  • This approach predicts a new era of accelerated gene discovery.
  • The strategy enhances marker-assisted selection and targeted mutagenesis capabilities.