| PGD: Blastomere biopsy: Triploid embryo |
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The cell pictured here is one cell Fluorescent in situ hybridization was performed for two chromosomes (Two color FISH): Chromosomes number 18 and 21. Both chromosomes tested have an extra (third) copy. Further testing revealed that every chromosome had an extra copy. Instead of 46 chromosomes being present (23 pairs) there were 69 (23 triplets). These embryos usually will not implant if they are placed into the uterus. They are occasionally found in miscarriage specimens. This abnormality is incompatible with life. In other words, it has never been found in a live born infant. |
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| Last Updated ( Friday, 01 February 2008 ) |