Screening for Genetic Diseases 0.0 / 5 ? BiologyDNA and inheritanceIGCSEAQA Created by: Nicole DCreated on: 07-12-13 21:24 Screening of Genetic Diseases 8 Questions 1 of 9 What are these screenings used for? To enable us to identify foetuses affected by genetic disorders relatively early during pregnancy 2 of 9 What are the 2 methods of screening for genetic diseases? Amniocentesis or Chronic Villus Sampling 3 of 9 To screen an embryo or foetus, what first needs to happen? Cells from the developing individual have to be obtained 4 of 9 Around how many weeks into the pregnancy is Amniocentesis performed? 15 - 16 weeks 5 of 9 In the process of Amniocentesis, what is removed? Amniotic fluid containing foetal cells 6 of 9 Around how many weeks into the pregnancy is Chronic Villus Sampling performed? 10 - 12 weeks 7 of 9 In the process of Chronic Villus Sampling, what is removed? A small sample of placental tissue 8 of 9 If couples are going through IVF, can they get their embryo screened? Yes, the embryo can be genetically screened before being implanted in the mother 9 of 9
Comments
No comments have yet been made