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  • How can they tell where the different colour genes are expressed - eg, that the blue ones are expressed in the head, etc? Was it found by manipulating / changing / removing / replacing such coloured genes in the embryos of lots of different species? Such that some embryos after manipulation were born without heads, etc? Oh, what a gross thought.

  • 8:05 to 8:09, very nice.

  • 2:01 to 2:07.  nice.

  • good video thank you

  • great stuff!

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