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Home            Q.002 Preimplantation genetic diagnosis
 
 
 
 
 
 
 
In pre-implantation genetic diagnosis, which of the following often takes place?
 
A testing of embryonic cells at the 120-150 cell stage
B Northern blotting of RNA
C the use of gene-linked markers
D Southern blotting of DNA
E mass spectrometry
 
 
 
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Answer: C.
Pre-implantations genetic haplotyping is increasingly used. See chapters 1 and 12 of Essential Medical Genetics 6th edition for further explanations.