Genetic disorders 0.0 / 5 ? Applied ScienceGenetic disordersGCSEOCR Created by: Megan16BCreated on: 23-12-15 11:46 (1) Genetic disorders are caused by what? Faulty alleles 1 of 7 (2) Cystic fibrosis and Huntingtons disease are both caused by a faulty allele of how many genes? A single gene 2 of 7 (3) Is cystic fibrosis caused by a recessive or dominant allele? Recessive 3 of 7 (4) Will people with only one copy of this allele show any symptoms? No 4 of 7 (5) What are they known as? Carriers 5 of 7 (6) Huntingtons disease is caused by... A dominant allele 6 of 7 (7) Will the "carrier" parent also be a sufferer? Yes because it is dominant. 7 of 7
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