Scales or feathers? It all comes down to a few genes

ScienceDaily
May 18, 2023, 4:01 pm40 pts
Scales, spines, feathers and hair are examples of vertebrate skin appendages, which constitute a remarkably diverse group of micro-organs. Despite their natural multitude of forms, these appendages share early developmental processes at the embryonic stage. Researchers have discovered how to permanently…

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