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EnglandCombined ScienceQuick questions
Topic 3: Genetics
Quick questions on Genetic crosses and variation - Edexcel GCSE Combined Science
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
A cross of gives what ratio of dominant to recessive phenotypes? [1 mark]
What is q2?Show answer
Give one example of environmental variation. [1 mark]
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