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
Operator(lacZ) is the region of the operon that the repressor binds to
Plants do not store starch in their leaves
Answer:
D. an entire chromosome is added to a chromosome set
Explanation:
The rest of these are mutations in the DNA sequence