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Chickens changed to keep useful genes in eggs — Level A1 — A group of eggs sitting on top of a table

Chickens changed to keep useful genes in eggsCEFR A1

28 Apr 2026

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Adapted from Brian Consiglio-U. Missouri, Futurity • CC BY 4.0

Photo by Maria Kovalets, Unsplash

Level A1 – Beginner
2 min
70 words
  • Chickens can make helpful proteins in eggs.
  • Scientists want those proteins to stay active.
  • New inserted traits can turn off later.
  • This problem stops steady egg production of proteins.
  • Researchers used a lab method to place traits.
  • They added a green marker to watch.
  • Cells kept glowing after many divisions.
  • The glow showed the trait stayed active.
  • The goal is stable bird lines.
  • Stable eggs could help people and farms.

Difficult words

  • protein — small parts in living things with jobs
    proteins
  • trait — a feature or quality of a living thing
    traits
  • stable — not changing over time or many events
  • marker — a sign used to see or find something
  • division — one round of a cell making two cells
    divisions

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Do you eat eggs?
  • Would you buy eggs that help people?
  • Have you seen chickens on a farm?

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