Sea Spiders Missing Key Body Part and Gene, Study Finds

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Source: The New York Times
Sea Spiders Missing Key Body Part and Gene, Study Finds
Photo: The New York Times
TL;DR Summary

Scientists sequenced the genome of the knotty sea spider and discovered that it lacks a key Hox gene responsible for abdomen development, which may explain why sea spiders have no abdomen and store vital organs in their legs, shedding light on their unique evolutionary path.

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