Biology 9-1 4BI1: Reproduction and Inheritance Topical Past Paper Questions
Edexcel IGCSE (9-1) Biology 9-1 (4BI1) past-paper questions on Reproduction and Inheritance, free. This topic is frequently examined across 13 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Hepatitis B is a virus that can infect humans. Scientists have developed edible vaccines for hepatitis B by genetically modifying potatoes. The genetically modified (GM) potatoes produce viral hepatitis B proteins on the surface of their cells. (a) The GM potatoes contain a viral…
The passage gives information about cloning. The passage gives information about cloning. Complete the passage by writing a suitable word in each blank space. Animals such as sheep have been cloned. (7) Cloning involves taking the ..... out of a diploid body cell from the sheep t…
_cule. Diagram 1 (i) Complete Diagram 1 by writing the letters of the missing bases in the empty boxes for strand 2. (2) (ii) Give the maximum number of amino acids that are coded for by this DNA strand (strand 2). (1)(1)(1 (iii) The original DNA strand is used to produce mRNA. C…
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