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Sex determination — OCR GCSE Biology A J247

Home
Biology
OCR GCSE Biology A
Genes, inheritance and selection
Inheritance
Sex determination

OCR GCSE Biology A · J247

Sex determination

What you need to know

Describe sex determination in humans using genetic crosses and Punnett squares.

Revision notes

1
Sex determination
4 key terms

Practise with past papers Key terms & definitions

Previous subtopicPredicting results Next subtopicPolygenic inheritance