By combining the gene test for BRCA1 and BRCA2 with this extra genetic information, women who have a high number of the newly identified markers could find they have a nearly 100% risk of getting breast cancer.

BBC: DNA test reveals 80 markers for inherited cancer risk

Firstly, as this newly discovered 'blue gold' is mostly located in international waters, making it extra-territorial in international law, it can be argued that the genetic resources living in the deep sea belong to humanity as a whole and therefore ought to be exploited equitably.

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And mapping a dna profile allows the company to sell the genetic fingerprint to well-heeled Arowana fanciers for thousands of dollars extra, like a racehorse pedigree.

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But Thomson notes that it would be hard to get good genetic diversity because the people who choose to get in vitro fertilization treatments, and create extra embryos, do not mirror the population at large ethnically or genetically.

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