AQA · Biology · 8461
GCSE Biology: DNA and the genome
Inheritance, variation and evolution · AQA GCSE Biology (8461), specification point 4.6.1.4. Cards are generated from the exam board's own specification for "DNA and the genome", and every card links back to the page it came from. Specification © AQA — used with attribution.
9 flashcards · Free to study · No account needed
Study this deck
Preparing your cards…
All questions and answers
Read through the full deck, or practise recalling each answer above.
What chemical makes up the genetic material in the nucleus of a cell?
Show answer
DNA.
Describe the structure of DNA.
Show answer
A polymer made of two strands forming a double helix.
In which structures inside the nucleus is DNA contained?
Show answer
Chromosomes.
What is a gene?
Show answer
A small section of DNA on a chromosome.
What does each gene code for?
Show answer
A particular sequence of amino acids, which makes a specific protein.
Define the genome of an organism.
Show answer
The entire genetic material of that organism.
How does understanding the human genome help fight disease?
Show answer
It allows scientists to search for genes linked to different types of disease.
How does knowledge of the human genome help with inherited disorders?
Show answer
It improves understanding and treatment of inherited disorders.
How can the human genome be used to study the past?
Show answer
By tracing human migration patterns from the past.
Want to create your own cards? Create a free account. AI generation uses credits.