Biology A-Level
Meiosis
What Meiosis means in Biology A-Level, as defined for OCR.
Definition of Meiosis
Check what you remember
Read the wording for your board, then hide it and explain Meiosis in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A source of genetic variation through independent assortment of chromosomes and crossing over between homologous chromosomes, creating new allele combinations.
Topics that use Meiosis
- Patterns of inheritance (OCR A-Level)
Related terms
- Allele frequencies
- Alleles, genotypes and phenotypes
- Autosomal linkage
- Change in allele frequency over generations
- Chi-squared (χ²) test
- continuous variation
- critical value
- Crossing over and independent assortment
Using Meiosis in the exam
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