AQA GCSE Biology · 8461
Specification 4.6.1.2 · Paper 2
- Revise: Meiosis
Having two sets of chromosomes, one inherited from each parent.
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GCSE Biology · key term
Having two sets of chromosomes, arranged in pairs.
Used by AQA, Edexcel and OCR
Specification 4.6.1.2 · Paper 2
Having two sets of chromosomes, one inherited from each parent.
Specification 2.2, 2.3, 3.3 · Paper 1
Having the full set of chromosomes, with chromosomes arranged in pairs in most body cells.
Revise: Importance of MitosisAfter the cell divides, the resulting cells are genetically identical to one another and to the parent cell, and body cells remain diploid.
A cell containing two sets of chromosomes, with one chromosome of each pair inherited from each parent.
Specification B5.1g, B5.1h · Paper 2 (Foundation), Paper 4 (Higher)
Having two sets of chromosomes, represented by 2n.
Revise: Haploid and diploidThe resulting cell therefore has two sets again. This is why the haploid–diploid distinction matters in inheritance.
A cell with two sets of chromosomes, arranged in pairs.
State all three outcomes when describing mitosis: two daughter cells, genetically identical to each other and the parent cell, and diploid.
State the number of chromosome sets, not just the total number of chromosomes: haploid means one set and diploid means two.
State that meiosis halves the chromosome number in gametes; fertilisation restores the diploid number.
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