Biology A-Level
Crossing over and independent assortment
What Crossing over and independent assortment means in Biology A-Level, as defined for OCR.
Definition of Crossing over and independent assortment
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Reference: OCR
Crossing over between non-sister chromatids of homologous chromosomes in prophase I exchanges alleles, while independent assortment of homologous chromosomes in metaphase I and chromatids in metaphase II gives random combinations of maternal and paternal alleles.
Topics that use Crossing over and independent assortment
- 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
- degrees of freedom
Using Crossing over and independent assortment in the exam
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