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> Birds today share same genes as tyrannosaur rex Really? Surely this claim would require the sequencing of the T-Rex genome, which I'm guessing is an impossib
by pete_b 8y ago
> Birds today share same genes as tyrannosaur rex
Really? Surely this claim would require the sequencing of the T-Rex genome, which I'm guessing is an impossibility.
- Down_n_Out 8y agoMaybe not so impossible? https://www.nsf.gov/news/news_summ.jsp?cntn_id=111466 https://www.nsf.gov/news/news_summ.jsp?cntn_id=111466
- wetpaws 8y agoStrictly speaking, all liveforms on the planet share same genes because they descended from a common ancestor. You probably have 50% of common genes with plants and quite a few with microorganisms.
- dragonwriter 8y agoIIRC, ~70% with bananas.
- noselasd 8y agoit sounds like quite a stretch to say everything shares the same genes. A lot of the genes have come into existence long after distant species split apart, and other genes have disappeared from one specie while continuing in others.
- HBlix 8y agoIt’s mostly reasonable inference, given that there is evidence of birds such as the common chicken being descendants of T. Rex. Where they both have common features, it’s reasonable to assume they have common genes, because you wouldn’t expect a reinvention of the wheel in that time span. Metabolism, skeleton, feathers, all should share common genes.