An inherited trait is caused by recessive allele a. Two heterozygous parents, Aa and Aa, have children independently.
Calculate the probability that both of two children have the trait. Give your answer as a decimal.
[2 marks]AQA GCSE Combined Science: Trilogy · Higher · Biology Paper 2
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- 8464/B/2H
- 1 hour 15 minutes
- 70 marks
- Homeostasis, inheritance, variation, ecology
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AQA GCSE Combined Science: Trilogy Higher, Biology Paper 2
- 8464/B/2H
- 1 hour 15 minutes
- 70 marks
- Homeostasis, inheritance, variation, ecology
6 papers · 420 marks. Each paper tests its own topics. Ideas from earlier topics can still be needed. Questions here are original practice, not past papers.