CVS
What CVS means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of CVS
Check what you remember
Read the wording for your board, then hide it and explain CVS in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Chorionic villi are sampled, usually at about 11–14 weeks, giving earlier results than amniocentesis but with a slightly higher risk of miscarriage.
Topics that use CVS
- Topic 2: Genes and Health (Pearson Edexcel A-Level)
Related terms
Using CVS in the exam
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