IMG_0004_NEW_0002

IMG_0004_NEW_0002 - gene regulatory elements are modular...

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o o Modularity in structures and developmental programs embryonic development proceeds in a series of steps, which can be modified independently different regions (e.9. segments, limbs) of the embryo develop independently, and can therefore be modified independently the modularity extends to the molecular level, where signalling systems are 'modules' that are used repeatedly and where
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Unformatted text preview: gene regulatory elements are modular and can be modified independently N/echanisms of macroevol utionary changes 'changes in location, timing or amount of expression of key developmental control genes can affect development. oacquisition of novel 'functions' like regulation of additional or other downstream genes can also have an impact on development. o...
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