Biology B (9-1) - Twenty First Century Science Suite J257 9-1: You and your genes Topical Past Paper Questions
OCR GCSE (9-1) Biology B (9-1) - Twenty First Century Science Suite J257 (9-1) past-paper questions on You and your genes, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Vegetable crops such as peas are grown to help feed the world's population. (a) Wild pea plants produce only a small number of peas per plant. Farmers started with wild pea plants and have changed the characteristics of the pea plants they grow. The change happened over many gene…
Elephants live in the wild in Mozambique, Africa. Some elephants inherit an allele that causes them to never develop tusks. This no-tusks allele is the result of a mutation. (a) Mutations to alleles happen quite often. Explain why mutations often have no observable effects. [3] (…
Scientists have created an image of a human female who lived 5700 years ago, as shown. The image is based on information in her genome. (a) Describe what evidence her genome would have contained to show that she was female. [1] (b) The scientists worked out that she had blue eyes…
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