Answer: D. Individuals may now have their DNA analyzed to determine ancestry.
Explanation:
Example answer number one
Antigens are substances capable of mobilizing the<u> </u><u>IMMUNE SYSTEM</u>
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<u>Your answer would be: </u> IMMUNE SYSTEM
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<u>Hope that helps! </u> : )
Feral rock pigeons were screened for neutralizing antibodies to West Nile virus during late winter/spring and summer of 2002 and 2003. Additionally, virus isolation from serum was attempted from 269 birds collected during peak transmission
