Cambridge AS & A Level Biology
16.1Passage of information from parents to offspring
Passage of information from parents to offspring in Cambridge AS & A Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic41 practice questions2 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 16.1.1Explain the terms haploid (n) and diploid (2n).
- 16.1.2Explain homologous pairs of chromosomes.
- 16.1.3Explain why gamete production needs a reduction division.
- 16.1.4Describe chromosome behaviour and the nuclear envelope, membrane and spindle in the stages of meiosis I and II.
- 16.1.5Interpret photomicrographs and diagrams of meiosis and identify its stages.
- 16.1.6Explain how crossing over and random orientation in meiosis produce genetically different gametes.
- 16.1.7Explain how random fusion of gametes produces genetically different individuals.
Lessons
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How meiosis and fertilisation produce genetic variation
30 min
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Meiosis: the reduction division
35 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Passage of information from parents to offspring into a strength.
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