Science B, Combined (9-1) - Twenty First Century Science Suite J260 9-1: B1: You and your Genes Topical Past Paper Questions
OCR GCSE (9-1) Science B, Combined (9-1) - Twenty First Century Science Suite J260 (9-1) past-paper questions on B1: 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
In the 1860s Gregor Mendel studied inheritance by crossing together pea plants with different characteristics. (a) Complete the Punnett square to show the possible genotypes when Mendel crossed homozygous tall pea plants with homozygous short pea plants. The dominant allele cause…
People can get different types of cancer. (a) Complete the sentences to describe what all cancers in humans have in common. Use words from the list. The cancer cells are ..... cells. The disease is caused by changes in the ..... that control the process of ..... . [2] (b) Risk fa…
(a) Complete each sentence about how the genetic material of a eukaryotic cell relates to its function. Use the words. You can use each word once, more than once, or not at all. allele amino acids carbohydrates DNA enzymes FSH genome genus lipid proteins The nucleus contains a co…
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