ScienceEcosystems & HabitatsAges 12–13
Chromosomes, Genes & DNA
Describe the relationship between chromosomes, genes, and DNA in heredity, including the double helix structure of DNA and the historical roles of Watson, Crick, Franklin, and Wilkins
Learning resources
Reviewed external links that reinforce this concept. They do not replace Gakuva’s teaching approach.
No reviewed resources for this concept yet.
The teaching approach above still stands. Curated practice links will appear here as the shelf fills.
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This concept
Chromosomes, Genes & DNAConceptual concept
Check understanding
- Explains the hierarchy: DNA → gene → chromosome → nucleus → cell
- Describes what a gene is and what it codes for
- States that human body cells contain 46 chromosomes in 23 pairs
- Describes the contributions of Watson, Crick, Franklin, and Wilkins to the discovery of DNA structure
“If your child was asked what DNA actually is and where it is in the body, could they explain the relationship between DNA, genes, and chromosomes — and say roughly how many chromosomes a human cell has?”
Curriculum record
- Type
- Conceptual
- Subject
- Science
- Domain
- Ecosystems & Habitats
- Age range
- Ages 12–13
Standards
ngss-ms:MS-LS3-1uk-nc-2013:KS3.Sci.Bio.Adaptation.5