Biology A (Salters-Nuffield) A-Level
Amniocentesis
What Amniocentesis means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Amniocentesis
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Reference: Pearson Edexcel
Amniotic fluid containing fetal cells is sampled with a needle, usually at about 15–20 weeks of pregnancy, and the cells are cultured and karyotyped or DNA-tested.
Topics that use Amniocentesis
- Topic 2: Genes and Health (Pearson Edexcel A-Level)
Related terms
Using Amniocentesis in the exam
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