Most plasmids used for recombinant technology have recognition sequences for a number of restriction enzymes. This allows a scientist to choose from a number of places to cut the plasmid with a restriction enzyme.
Punta de Mita location on the Central Pacific coast of Mexico, hemmed in by jungle covered mountains gives it a sub-tropical climate with only two seasons, dry fairly warm winters (November to May) and hot, semi-humid wet summers (June to October). The Sayulita region averages 345 days of sunshine and 60 inches of rain a year.
But keep in mind: The Dominican Republic experiences some of the effects of the Atlantic hurricane season, which lasts from June to November. And Punta Cana in particular has been known to face severe tropical storms, seeing an average of about 40 inches of rainfall each year.