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Inheritance & EvolutionStudy Notes

Why Study the Genome?

Part of DNA Genome — GCSE Biology

This study notes covers Why Study the Genome? within DNA Genome for GCSE Biology. DNA structure, function, and the human genome It is section 4 of 12 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 4 of 12

Practice

25 questions

Recall

25 flashcards

Why Study the Genome?

  • Identify genes linked to diseases (e.g., cystic fibrosis, cancer)
  • Develop personalised medicine based on your DNA
  • Trace human migration and evolution
  • Understand relationships between species

Visual: DNA Structure

DNA structure diagram showing double helix, nucleotide components, complementary base pairing A-T and C-G, and hierarchy from nucleus to chromosome to gene to bases

Remember: DNA = Double helix of nucleotides | A pairs with T, C pairs with G | Gene = section of DNA coding for a protein

Keep building this topic

Read this section alongside the surrounding pages in DNA Genome. That gives you the full topic sequence instead of a single isolated revision point.

Structure of DNAHow It Works: DNA to ProteinThe Blueprint of LifeKey Definitions (Original)

Practice Questions for DNA Genome

Which of the following base pairing rules is correct for DNA?

  • A. A-T and C-G
  • B. A-C and T-G
  • C. G-A and C-T
  • D. T-C and G-A
2 marksfoundation

What are the four nitrogenous bases found in DNA?

4 markshigher

Quick Recall Flashcards

What is the term for a long DNA molecule containing many genes?
Chromosome
What is the term for different versions of the same gene?
Allele

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Structure of DNA

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How It Works: DNA to Protein