The traits of an organism are passed to its offspring on small coded strands of DNA material called genes.

Quick Scoop

  • In biology, a gene is the basic unit of heredity that carries coded instructions for a trait.
  • Genes are specific segments of DNA that determine characteristics like eye color, height, or blood type.
  • These genes are passed from parents to offspring during reproduction, which is why children often resemble their parents.

So, for the fill‑in style question:

“The traits of an organism are passed to its offspring on small coded strands of DNA material called ________.”

The correct answer is: genes.

TL;DR: Those small coded strands of DNA that pass traits from parents to offspring are called genes.

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