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Genes are sections of genetic material - Paper 1

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Genetic model card: A coloured band marks one section of a model chromosome. In the nucleated cells considered here, chromosomes contain DNA and carry many genes. A gene is a section of DNA; alternative versions are alleles. These are educational representations. Do not collect family traits or personal genetic information.

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  1. Correct the claim 'The colour proves this DNA is visibly blue in a cell.' using this card.
  2. For the model 'A coloured band marks one section of a model chromosome.', order gene, nucleus and chromosome from a section to the larger structures containing it.
  3. Name one limitation of the paper or coloured model.

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