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Brazil seized 28.7 tons of shark fins this week from the illegal killing of more than 10,000 sharks, including a species on the country’s endangered list, the government said in a news release Tuesday ...
Scientists use CRISPR to show how genes that control growth at the end of fish fins play the same role in fingers and toes. All vertebrates have the same basic body plan: head, spine, four appendages.
Learn more about the evolution of human fingers and toes, which originate from the genetic programming for a multipurpose orifice in fish.