Pre-natal DNA Testing,
Chronic Villus Sampling is where syringe is used to take a sample of embryonic tissue from the placenta and it is analysed for faulty alleles.
Aminocentesis is where a syringe is used to withdraw amniotic fluid which contains fetal cells from the embryo, this fluid is then analysed for faulty alleles.
Pre-implantation Genetic Diagnosis,
Embryos that are created through IVF will be tested for faulty alleles, and only this embryos that are healthy are then implanted into the mother.
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