Using genomics without complete genomes Which statement about plant genomics is most accurate for today’s research practice?

Difficulty: Easy

Correct Answer: Researchers can leverage genomic data even when an organism’s entire genome is not yet fully known

Explanation:


Introduction / Context:
Genomics encompasses whole-genome sequencing, transcriptomics, resequencing, pangenomes, and functional annotation. In practice, many discoveries proceed using partial or reference-guided information without requiring a perfect, finished genome assembly.



Given Data / Assumptions:

  • Partial assemblies, expressed sequence tags, RNA-seq, and synteny with related species provide actionable insights.
  • Breeding and gene editing can target candidate genes discovered from partial datasets.
  • Plant genomics has advanced rapidly, and multiple staple crops already have reference genomes and pangenomes.


Concept / Approach:
Choose the statement that best reflects modern practice: researchers can use incomplete genomic resources to design markers, map QTLs, assemble candidate pathways, and guide transformation/editing, long before a finished assembly is available.



Step-by-Step Solution:

Evaluate option a: outdated; many plant genomes are now well characterized.Evaluate option b: correct; partial data suffice for many applications.Evaluate option c: too narrow and incorrect; global genomics spans many species.Reject “all of the above” due to a and c being false.


Verification / Alternative check:
Common workflows (GWAS with reference genomes, de novo transcriptome assembly, candidate-gene cloning) proceed without perfect assemblies.



Why Other Options Are Wrong:

  • Lagging behind (a): plant genomics is vibrant and extensive.
  • Potato focus only (c): genomics covers cereals, legumes, fruits, trees, etc.
  • All of the above (d): fails because a and c are incorrect.


Common Pitfalls:
Equating “complete finished genomes” with the minimum requirement for useful genomic research.



Final Answer:
Researchers can leverage genomic data even when an organism’s entire genome is not yet fully known

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