Genomic Analysis of the Sea Urchin Led to the Discovery

question 10

Multiple Choice

Genomic analysis of the sea urchin led to the discovery of an exceptional number of genes that code for immune and detoxification proteins. Functionally, this suggests that sea urchins

• A) are not susceptible to diseases.
• B) have a long lifespan.
• C) are bombarded by pathogens and must react constantly.
• D) have unusually elaborate immune and detoxification systems.

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