Answer:
The efficiency, speed and reach of modern transport networks puts people at risk from the emergence of new strains of familiar diseases, or from completely new diseases.
The separation of chromosomes at the end of metaphase and beginning of anaphase
Tissues invaded by viruses, which attempt to replicate themselves by taking over cellular machinery, secrete small proteins called <span>interferon</span> to protect nearby cells and hinder further multiplication of the viruses.
C) one that must be imported to the U.S.
A GWAS can be performed by actually genotyping as few as 300000 to 1million