Biology GCSE

Chromosomes and genes

What Chromosomes and genes means in Biology GCSE, as defined for AQA.

Definition of Chromosomes and genes

Check what you remember

Read the wording for your board, then hide it and explain Chromosomes and genes in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

Reference: AQA

In the early 20th century chromosomes and Mendel's 'units' behaved in similar ways, leading to the idea that the 'units', now called genes, were located on chromosomes.

AQA · The understanding of genetics (biology only) (study guide)

Topics that use Chromosomes and genes

The understanding of genetics (biology only) (AQA GCSE)

Related terms

Using Chromosomes and genes in the exam

Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

Practise Biology questions

Create a free account to answer exam-style questions on this topic and get feedback on your answers.

Start free

A week of Premium from your first lesson · Then the free plan continues · No card, no charge

All Biology GCSE terms