Fishing for microdeletions that predispose an embryo to develop cancer syndromes in later life

Researchers have used a common laboratory technique for the first time to detect genetic changes in embryos that could predispose the resulting children to develop certain cancer syndromes. Current preimplantation genetic diagnosis techniques can detect mutations in very small bits of genes or DNA, but, until now, it wasn't easy to detect deletions involving whole genes or long sections of DNA in embryos.

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