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Top genomes of 2013

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11:18am, December 29, 2013

DEEP ROOTS  Analysis of the Mnemiopsis leidyi comb jelly's genome suggests it sits at the base of the tree of animal life.

Scientists continue to decode the genetic blueprints of the planet’s myriad flora and fauna — both alive and long dead — shedding light on biology, evolution and disease. Highlights from the year include:

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1. Comb jellies

A genomic analysis of comb jellies confirmed that the squishy marine predators are the new oldest animals, bumping the much simpler sea sponges from the base of the animal evolutionary tree (SN Online: 12/12/13SN: 5/18/13, p. 20).

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