Lesson Plan: Genes and Chromosomes | Nagwa Lesson Plan: Genes and Chromosomes | Nagwa

Lesson Plan: Genes and Chromosomes Science

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to describe the structure of chromosomes and explain what a gene is.


Students will be able to

  • state that DNA is genetic material,
  • recall that DNA is arranged in long strands called chromosomes, contained in the nucleus of cells,
  • state that a normal human body cell contains 46 chromosomes (23 pairs),
  • define a gene as a section of DNA that controls certain characteristics,
  • understand that DNA can unexpectedly change and that this is known as a mutation,
  • describe the contributions made by Franklin, Watson, and Crick to the discovery of DNA.


Students should already be familiar with

  • the fact that living organisms are made up of many cells,
  • the basic structure of an animal cell,
  • the concept that different organisms can vary in their appearance.


Students will not cover

  • inheritance of genes,
  • gene expression (transcription and translation),
  • the types of genetic mutations (insertion, deletion, and substitution).

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