✉news ScienceBiology first seen 15 h ago, last 9 h ago, peak #18
Chameleon embryos show mammal-like early development
Original: Chameleon embryos reveal early developmental feature once thought unique to mammals
New research indicates that chameleon embryos pass through an early developmental stage featuring a structure previously believed to exist only in mammals. The finding suggests that aspects of early embryonic development are more widely shared across vertebrates than scientists assumed, prompting a rethink of how these traits evolved and how similar they are between reptiles and mammals.
Why now: A newly published study challenges a long-held assumption about which animals share key embryonic features.
Evidence
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