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Author Question: A genetic change that caused a certain Hox gene to be expressed along the tip of (Read 1059 times)

penguins

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on: Jul 12, 2013
A genetic change that caused a certain Hox gene to be expressed along the tip of a vertebrate limb bud instead of farther back helped make possible the evolution of the tetrapod limb. This type of change is illustrative of
A) the influence of environment on development.
B) paedomorphosis.
C) a change in a developmental gene or its regulation that altered the spatial organization of body parts.
D) heterochrony.
E) gene duplication.


Millan

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Reply #1 on: Jul 13, 2013
I know it's C, we did this last week ;)


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penguins

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Reply #2 on: Jul 18, 2013
Thank you, thank you!!


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