Scientists find ancient fossil suggesting egg creation genes predate animals by a billion years.

Scientists discovered a fossilized unicellular organism, Chromosphaera perkinsii, which reproduces in a way similar to animal embryonic development. This organism, dating back over a billion years, suggests that the genetic programming for creating eggs existed long before animals evolved. The finding, detailed in Nature, challenges previous beliefs about the timeline of multicellular life's evolution.

November 18, 2024
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