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Jellyfish didn’t need novel genes to take an evolutionary leap in complexity.
A primordial developmental toolkit shared by all vertebrates, and described by a theory of the mathematician Alan Turing, sets the growth pattern for all types of skin structures.
Renee Reijo Pera has spent decades uncovering how the timing of embryonic development contributes to health and disease.
With a fully sequenced genome in hand, scientists hope they are finally poised to learn how axolotls regenerate lost body parts.
For the first time, researchers have traced the genetic programs that guide the development of each cell in early embryos. Surprisingly, even cells that start out different can end up the same.