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comment by mk
mk  ·  4110 days ago  ·  link  ·    ·  parent  ·  post: ‘Adventurous’ Woman Needed as Surrogate for Neanderthal Baby

Aside from getting the nucleus to take in an embryo and getting a healthy fetus to keep through gestation, I would guess that the biggest hurdle is the quality of the DNA. Low quality DNA will sooner keep a cell running than reconstruct a living creature. Even if we know the proper complete sequence, I don't think we yet have the ability to synthesize a replacement for genomic DNA. However, there is an abundance of mammoth tissue out there to pick from.