When a u. s. company purchases and imports electronic parts from china to use to produce mp3 players within the united states, this purchase increases the component of gdp while also net exports by the same amount. therefore, the purchase of electronic parts from china causes in us gdp.?

Transposon can cause mutations in genes at or near the site of transposon insertion. it is possible for these elements to transpose away from their original site, causing a reversion of the mutant phenotype. in some cases, however, even more severe phenotypes appear when these elements excise from this site, due to events at or near the mutant allele. what might be happening to the transposon or the nearby gene to create more severe mutations?