Biology B1: You and Your Genes 5.0 / 5 based on 1 rating ? BiologyAdaptations of organisms to their environmentGCSEOCR Created by: rachel waltersCreated on: 06-02-14 19:39 3214 Across 1. What does the nucleus contain? (7, 8) 4. What sort of chromosomes do men have? (2, 1, 6, 4) Down 2. What are Genetic Disorders caused by? (6, 7) 3. What is this genetic material arranged into? (11)
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