✉news ScienceBiology first seen 1 d ago, last 1 d ago, peak #2
Ancient Hox code traced to origins of vertebrate limbs
Original: Ancient Hox code reveals the developmental roots of vertebrate hind fins and limbs
Researchers report that an ancient Hox code underpins the development of vertebrate hind fins and limbs, shedding light on how paired appendages evolved in early fish and were later adapted into the limbs of land vertebrates. The work connects modern limb patterning to genetic mechanisms present in ancestral vertebrates, offering new insight into one of evolution's key transitions.
Why now: A new study linking an ancient genetic code to the evolutionary origin of limbs has just been published.
Evidence
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