Inheritance & EvolutionStudy Notes

Key Definitions (Original)

Part of DNA GenomeGCSE Biology

This study notes covers Key Definitions (Original) within DNA Genome for GCSE Biology. DNA structure, function, and the human genome It is section 2 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 2 of 12

Practice

25 questions

Recall

25 flashcards

Key Definitions (Original)

Term Definition
DNA Deoxyribonucleic acid — the molecule that carries genetic information
Gene A section of DNA that codes for a specific protein
Chromosome A long DNA molecule containing many genes
Genome The entire genetic material of an organism
Allele Different versions of the same gene

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.

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

Want to test your knowledge?

PrepWise has 25 exam-style questions and 25 flashcards for DNA Genome — with adaptive difficulty and instant feedback.

Join Alpha