Biology GCSE
reduction division
What reduction division means in Biology GCSE, as defined for OCR.
Definition of reduction division
Check what you remember
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Reference: OCR
Halving the chromosome number is crucial so that when two haploid gametes fuse during fertilisation, the resulting zygote restores the full diploid chromosome number.
Topics that use reduction division
- Inheritance (OCR GCSE)
Related terms
- Asexual reproduction
- carrier identification
- chromosomes
- continuous variation
- data interpretation
- direct proportion
- discontinuous variation
- DNA
Using reduction division in the exam
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