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One thought on “Patterning in scale: a lesson from avian embryos”

  1. This is perhaps one of the smartest molecular, embryo logical and comparative demonstrations I am aware of how cell autonomy may regulate species-dependent embryonic heterochronies. Understanding how the amplification of the SHH signal is accomplished in finch embryonic cells may shed light on the molecular processes targeted by evolution and environmental pressures to generate diverse allometries between closely and even distantly related organisms.


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