Biology GCSE
mutations
What mutations means in Biology GCSE, as defined for OCR.
Definition of mutations
Check what you remember
Read the wording for your board, then hide it and explain mutations in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Spontaneous mutations in DNA create new alleles that are continually shuffled through sexual reproduction during meiosis and random fertilisation.
Topics that use mutations
- Natural selection and evolution (OCR GCSE)
Related terms
- allele diversity
- Antibiotic resistance
- bacterial selection
- biodiversity conservation
- classification systems
- Darwin and Wallace
- differential survival
- DNA sequencing
Using mutations 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.
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