Inherited Disorders 0.0 / 5 ? BiologyDNA and inheritanceGCSEAQA Created by: asho glenoCreated on: 13-04-15 18:52 They are due to faulty genetic material that is... passed on to future generations 1 of 11 Polydactyly is when someone has extra fingers/toes and is caused by... a dominant allele 'D', and can be inherited through one parent 2 of 11 Cystic Fibrosis is an inherited disorder that affects the cell membrane and it primarily affects... the digestive and respitory systems 3 of 11 Sufferers find it hard to breath and to digest food as their... internal organs are clogged by a thick mucus 4 of 11 It is caused by a recessive allele 'f',and... because it is recessive, people with only on copy of the allele won't get it 5 of 11 Both parent must be carriers or... sufferers 6 of 11 Huntingtons is caused by a dominant allele and symptoms usually appear... at 40-50 years old but by that time, you would already have offspring 7 of 11 That means that the children have a 50% chance of having it but you... can be genetically tested 8 of 11 Symptoms include headaches and aching when you... pick things up and 9 of 11 There are two tests: 1. Aminocentestis - fetal cells are collected from... aminotic fluid via a hollow needle 10 of 11 2. Chronic Villus Sampeling - fetal cells are collecting the cronic villi in... placenta with a suction tube 11 of 11
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