Looking at the figure above, could you come up with an alternative hypothesis to the one proposed by Fry and his colleagues? Why or why not? If so, what would your alternative hypothesis be?

What will be an ideal response?


ANS:
Will vary, but could propose that Viperidae lost the 3FTX toxin rather than underwent independent evolution of the advanced venom delivery. This in fact would be a very plausible alternative hypothesis as independent evolution of such a complex trait would not be as expected as loss of the trait like the 3FTX toxin.

Biology & Microbiology

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