This key facts covers Why Study the Genome? within DNA Genome for GCSE Biology. DNA structure, function, and the human genome It is section 3 of 15 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and 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
Practice questions for DNA Genome
Which of the following base pairing rules is correct for DNA?
What are the four nitrogenous bases found in DNA?
Quick recall flashcards
What is a gene?
A section of DNA that codes for the production of a specific protein. The sequence of bases in the gene determines which protein is made.
What is an allele?
A different version of the same gene. For example, the gene for eye colour has alleles for brown eyes and blue eyes. Alleles arise due to mutations in the original gene.